ftgrays.c: Formatting. It seems to me that _STANDALONE_ doesn't work yet...

Will it ever work?  If not, the unused code should be removed.

ftconfig.h, ftobjs.h: Fix my last fix of the UNUSED() macro.

include/freetype/config/ftconfig.h

@@ -98,7 +98,7 @@
 /* UNUSED is a macro used to indicate that a given parameter is not used */
 /* this is only used to get rid of unpleasant compiler warnings..        */
 #ifndef UNUSED
-#define UNUSED( arg )  ( (void)(arg)=(arg) )
+#define UNUSED( arg )  ( (arg)=(arg) )
 #endif
 
 

include/freetype/internal/ftobjs.h

@@ -45,7 +45,7 @@
 #endif
 
 #ifndef UNUSED
-#define UNUSED( arg )  ( (void)(arg)=(arg) )
+#define UNUSED( arg )  ( (arg)=(arg) )
 #endif