message: Fix ISPC selection for MSVC15
diff: @@ -24,7 +24,7 @@ IF (NOT ISPC_EXECUTABLE)
  SET(ISPC_DIR_SUFFIX "osx")
  ELSEIF(WIN32)
  SET(ISPC_DIR_SUFFIX "windows")
  - IF (MSVC14)
  + IF (MSVC_VERSION GREATER_EQUAL 1900)
  LIST(APPEND ISPC_DIR_SUFFIX "windows-vs2015")
  ELSE()
  LIST(APPEND ISPC_DIR_SUFFIX "windows-vs2013")
  @@ -38,7 +38,7 @@ IF (NOT ISPC_EXECUTABLE)
  ENDFOREACH()
  ENDFOREACH()
  - FIND_PROGRAM(ISPC_EXECUTABLE ispc PATHS ${ISPC_DIR_HINT} DOC "Path to the ISPC executable.")
  + FIND_PROGRAM(ISPC_EXECUTABLE ispc HINTS ${ISPC_DIR_HINT} DOC "Path to the ISPC executable.")
  IF (NOT ISPC_EXECUTABLE)
  MESSAGE("********************************************")
  MESSAGE("Could not find ISPC (looked in PATH and ${ISPC_DIR_HINT})")
  