ff_rm_metadata is const.

Originally committed as revision 19786 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/rm.c

@@ -21,7 +21,7 @@
 
 #include "rm.h"
 
-const char *ff_rm_metadata[4] = {
+const char * const ff_rm_metadata[4] = {
     "title",
     "author",
     "copyright",

libavformat/rm.h

@@ -24,7 +24,7 @@
 
 #include "avformat.h"
 
-extern const char *ff_rm_metadata[4];
+extern const char * const ff_rm_metadata[4];
 
 typedef struct RMStream RMStream;