message: cmake: fix optimization filter
  Check file name only:
  Excluding from source files list (optimization is disabled):
  C:/Code/SrcExt/OpenCV/Buildv3.2_x64/modules/core/opencl_kernels_core.cpp
diff: @@ -520,6 +520,7 @@ macro(ocv_compiler_optimization_process_sources SOURCES_VAR_NAME LIBS_VAR_NAME T
  endforeach()
  foreach(fname ${${SOURCES_VAR_NAME}})
  string(TOLOWER "${fname}" fname_LOWER)
  + get_filename_component(fname_LOWER "${fname_LOWER}" NAME)
  if(fname_LOWER MATCHES "\\.(.*)\\.cpp$")
  string(TOUPPER "${CMAKE_MATCH_1}" OPT_)
  if(OPT_ MATCHES "(CUDA.*|DISPATCH.*|OCL)") # don't touch files like filename.cuda.cpp
  