STR34-C: Fix compiler compatability issues

For this test case our standard library stubs (MUSL) use a different
form of macro for these standard library functions that gcc and clang,
so update the expected result files.

Author: lcartey

c/cert/test/rules/STR34-C/CastCharBeforeConvertingToLargerSizes.expected.clang

@@ -0,0 +1,15 @@
+| test.c:7:7:7:14 | * ... | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:28:3:28:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:29:3:29:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:31:3:31:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:32:3:32:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:33:3:33:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:34:3:34:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:35:3:35:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:36:3:36:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:37:3:37:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:38:3:38:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:39:3:39:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:40:3:40:14 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:42:11:42:12 | * ... | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:43:11:43:12 | * ... | Expression not converted to `unsigned char` before converting to a larger integer type. |

c/cert/test/rules/STR34-C/CastCharBeforeConvertingToLargerSizes.expected.gcc

@@ -0,0 +1,15 @@
+| test.c:7:7:7:14 | * ... | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:28:3:28:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:29:3:29:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:31:3:31:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:32:3:32:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:33:3:33:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:34:3:34:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:35:3:35:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:36:3:36:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:37:3:37:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:38:3:38:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:39:3:39:13 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:40:3:40:14 | (...) | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:42:11:42:12 | * ... | Expression not converted to `unsigned char` before converting to a larger integer type. |
+| test.c:43:11:43:12 | * ... | Expression not converted to `unsigned char` before converting to a larger integer type. |