Place language name in constant array instead of pointer.

Constant char array of 8 bytes is the same size as a pointer plus a short
string, so this actually saves memory and eliminates a pile of relocations.

fc-lang/fc-lang.c

@@ -377,7 +377,7 @@ main (int argc, char **argv)
 	if (j < 0)
 	    j = i;
 
-	printf ("    { (FcChar8 *) \"%s\", "
+	printf ("    { \"%s\", "
 		" { FC_REF_CONSTANT, %d, OFF(%d,%d), NUM(%d,%d) } }, /* %d */\n",
 		langs[i],
 		sets[j]->num, i, off[j], i, off[j], i);

src/fclang.c

@@ -25,7 +25,7 @@
 #include "fcint.h"
 
 typedef struct {
-    const FcChar8	*lang;
+    const FcChar8    	lang[8];
     const FcCharSet	charset;
 } FcLangCharSet;