IdentifierHidden: add missing expected file change

Author: knewbury01

c/common/test/rules/identifierhidden/IdentifierHidden.expected

@@ -1,5 +1,5 @@
-| test.c:4:7:4:9 | id1 | Declaration is hiding declaration $@. | test.c:1:5:1:7 | id1 | id1 |
-| test.c:7:13:7:15 | id1 | Declaration is hiding declaration $@. | test.c:1:5:1:7 | id1 | id1 |
-| test.c:10:12:10:14 | id1 | Declaration is hiding declaration $@. | test.c:1:5:1:7 | id1 | id1 |
-| test.c:11:14:11:16 | id1 | Declaration is hiding declaration $@. | test.c:10:12:10:14 | id1 | id1 |
-| test.c:24:24:24:26 | id2 | Declaration is hiding declaration $@. | test.c:22:5:22:7 | id2 | id2 |
+| test.c:4:7:4:9 | id1 | Variable is hiding variable $@. | test.c:1:5:1:7 | id1 | id1 |
+| test.c:7:13:7:15 | id1 | Variable is hiding variable $@. | test.c:1:5:1:7 | id1 | id1 |
+| test.c:10:12:10:14 | id1 | Variable is hiding variable $@. | test.c:1:5:1:7 | id1 | id1 |
+| test.c:11:14:11:16 | id1 | Variable is hiding variable $@. | test.c:10:12:10:14 | id1 | id1 |
+| test.c:24:24:24:26 | id2 | Variable is hiding variable $@. | test.c:22:5:22:7 | id2 | id2 |