fix platform selection for go tools
RESOURCES_LIBRARY()
-IF (OS_LINUX)
+IF (HOST_OS_LINUX)
DECLARE_EXTERNAL_RESOURCE(GO_TOOLS sbr:701958445)
-ELSEIF (OS_DARWIN)
+ELSEIF (HOST_OS_DARWIN)
DECLARE_EXTERNAL_RESOURCE(GO_TOOLS sbr:701961386)
-ELSEIF (OS_WINDOWS)
+ELSEIF (HOST_OS_WINDOWS)
DECLARE_EXTERNAL_RESOURCE(GO_TOOLS sbr:701967456)
ELSE()
MESSAGE(FATAL_ERROR Unsupported host platform)
