Mark constant structure member as const to avoid some warnings.

patch by Laurent Desnogues, laurent.desnogues gmail com


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@13942 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/dct-test.c

@@ -68,7 +68,7 @@ extern void fdct_altivec (DCTELEM *block);
 
 
 struct algo {
-  char *name;
+  const char *name;
   enum { FDCT, IDCT } is_idct;
   void (* func) (DCTELEM *block);
   void (* ref)  (DCTELEM *block);