Merge topic 'windows-RC-extension'

514c2e3d CMakeRCCompiler: Handle uppercase 'RC' as resource file format extension

Modules/CMakeRCCompiler.cmake.in

@@ -1,6 +1,6 @@
 set(CMAKE_RC_COMPILER "@CMAKE_RC_COMPILER@")
 set(CMAKE_RC_COMPILER_ARG1 "@CMAKE_RC_COMPILER_ARG1@")
 set(CMAKE_RC_COMPILER_LOADED 1)
-set(CMAKE_RC_SOURCE_FILE_EXTENSIONS rc)
+set(CMAKE_RC_SOURCE_FILE_EXTENSIONS rc;RC)
 set(CMAKE_RC_OUTPUT_EXTENSION @CMAKE_RC_OUTPUT_EXTENSION@)
 set(CMAKE_RC_COMPILER_ENV_VAR "RC")