cmake: rename variable to better reflect its purpose

Change-Id: Ic65ac52d94ca48d4d3c113ab25fbb35b9fc5558e
Signed-off-by: Artur Harasimiuk <artur.harasimiuk@intel.com>

Author: ArturHarasimiuk

shared/offline_compiler/source/CMakeLists.txt

@@ -102,11 +102,11 @@ macro(macro_for_each_gen)
   foreach(SRC_IT ${RUNTIME_GENX_CPP_FILES})
     foreach(BRANCH_DIR ${BRANCH_DIR_LIST})
       set(SRC_FILE ${NEO_SOURCE_DIR}/opencl/source/${GEN_TYPE_LOWER}${BRANCH_DIR}${SRC_IT})
-      string(REGEX REPLACE "/$" "" _BRANCH_SUFFIX "${BRANCH_DIR}")
-      string(REGEX REPLACE "^/" "_" _BRANCH_SUFFIX "${_BRANCH_SUFFIX}")
+      string(REGEX REPLACE "/$" "" _BRANCH_FILENAME_SUFFIX "${BRANCH_DIR}")
+      string(REGEX REPLACE "^/" "_" _BRANCH_FILENAME_SUFFIX "${_BRANCH_FILENAME_SUFFIX}")
 
-      if(EXISTS ${SRC_FILE}_${GEN_TYPE_LOWER}${_BRANCH_SUFFIX}.cpp)
-        list(APPEND CLOC_LIB_SRCS_LIB ${SRC_FILE}_${GEN_TYPE_LOWER}${_BRANCH_SUFFIX}.cpp)
+      if(EXISTS ${SRC_FILE}_${GEN_TYPE_LOWER}${_BRANCH_FILENAME_SUFFIX}.cpp)
+        list(APPEND CLOC_LIB_SRCS_LIB ${SRC_FILE}_${GEN_TYPE_LOWER}${_BRANCH_FILENAME_SUFFIX}.cpp)
       endif()
     endforeach()
   endforeach()