Until -DHAVE_AV_CONFIG_H is removed from ffplays compilation, *printf must be #undef.

Without this random changes to the header inclusion can trigger
linking failures, and these are not even picked up in some environments
(some fate machines didnt catch it).

Originally committed as revision 20833 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffplay.c

@@ -40,6 +40,8 @@
 #endif
 
 #undef exit
+#undef printf
+#undef fprintf
 
 const char program_name[] = "FFplay";
 const int program_birth_year = 2003;