Fix a mismatch in help message (check_spelling_osl obviously checks OLS, and...

Fix a mismatch in help message (check_spelling_osl obviously checks OLS, and check_spelling_c, C code! :P )

GNUmakefile

@@ -178,9 +178,9 @@ help:
 	@echo "  * check_splint         - run blenders source through splint (C only)"
 	@echo "  * check_sparse         - run blenders source through sparse (C only)"
 	@echo "  * check_smatch         - run blenders source through smatch (C only)"
-	@echo "  * check_spelling_c     - check for spelling errors (OSL only)"
+	@echo "  * check_spelling_c     - check for spelling errors (C/C++ only)"
 	@echo "  * check_spelling_c_qtc - same as check_spelling_c but outputs QtCreator tasks format"
-	@echo "  * check_spelling_osl   - check for spelling errors (C/C++ only)"
+	@echo "  * check_spelling_osl   - check for spelling errors (OSL only)"
 	@echo "  * check_spelling_py    - check for spelling errors (Python only)"
 	@echo ""
 	@echo "Utilities (not associated with building blender)"