COMP: Fix for proxy test

Tests/CTestTest2/test.cmake.in

@@ -24,6 +24,8 @@ CMAKE_CXX_FLAGS:STRING=@CMAKE_CXX_FLAGS@
 CMAKE_C_FLAGS:STRING=@CMAKE_C_FLAGS@
 CMAKE_C_COMPILER:STRING=@CMAKE_C_COMPILER@
 CMAKE_CXX_COMPILER:STRING=@CMAKE_CXX_COMPILER@
+CMAKE_C_COMPILER_ARG1:STRING=@CMAKE_C_COMPILER_ARG1@
+CMAKE_CXX_COMPILER_ARG1:STRING=@CMAKE_CXX_COMPILER_ARG1@
 
 # This one is needed for testing advanced ctest features
 CTEST_TEST_KWSYS:BOOL=ON