more ignored warnings

src/hlc.h

@@ -49,6 +49,8 @@
 #	pragma warning(disable:4100) // unreferenced param
 #	pragma warning(disable:4101) // unreferenced local var
 #	pragma warning(disable:4723) // potential divide by 0
+#	pragma warning(disable:4715) // control paths must return a value
+#	pragma warning(disable:4716) // must return a value (ends with throw)
 #else
 #	pragma GCC diagnostic ignored "-Wunused-variable"
 #	pragma GCC diagnostic ignored "-Wunused-function"