improved stack misalignment warning

Originally committed as revision 7275 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/dsputil.c

@@ -3809,10 +3809,9 @@ int ff_check_alignment(void){
         if(!did_fail){
 #if defined(HAVE_MMX) || defined(HAVE_ALTIVEC)
             av_log(NULL, AV_LOG_ERROR,
-                "Compiler did not align stack variables, libavcodec has been misscompiled\n"
-                "and will possible be very slow or may crash, this is not a bug in the\n"
-                "application but in the compiler\n"
-                "so reporting it anywhere but to the compiler maintainers is senseless!\n");
+                "Compiler did not align stack variables. Libavcodec has been miscompiled\n"
+                "and may be very slow or crash. This is not a bug in libavcodec,\n"
+                "but in the compiler. Do not report crashes to FFmpeg developers.\n");
 #endif
             did_fail=1;
         }