use detected WORDSIZE instead of warning, when inttypes.h doesn't define __WORDSIZE

git-svn-id: file:///var/local/repositories/mplayer/trunk/postproc@7422 b3059339-0415-0410-9bf9-f77b7e298cf2

rgb2rgb_template.c

@@ -12,7 +12,8 @@
 #include <inttypes.h> /* for __WORDSIZE */
 
 #ifndef __WORDSIZE
-#warning You have misconfigured system and probably will lose performance!
+// #warning You have misconfigured system and probably will lose performance!
+#define __WORDSIZE MP_WORDSIZE
 #endif
 
 #undef PREFETCH