Add return statement, fixes the warning:

test.c:75: warning: control reaches end of non-void function


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26534 b3059339-0415-0410-9bf9-f77b7e298cf2

mp3lib/test.c

@@ -70,5 +70,5 @@ int main(int argc,char* argv[]){
   printf("CPU usage at normal playback: %5.2f %%\n",time1*0.0001f/length);
   
   fclose(mp3file);
-  
+  return 0;
 }