Re-add search_for_ms to the coefficients encoders to silence warnings

Originally committed as revision 19733 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/aaccoder.c

@@ -1013,24 +1013,24 @@ AACCoefficientsEncoder ff_aac_coders[] = {
         search_for_quantizers_faac,
         encode_window_bands_info,
         quantize_and_encode_band,
-//        search_for_ms,
+        search_for_ms,
     },
     {
         search_for_quantizers_anmr,
         encode_window_bands_info,
         quantize_and_encode_band,
-//        search_for_ms,
+        search_for_ms,
     },
     {
         search_for_quantizers_twoloop,
         encode_window_bands_info,
         quantize_and_encode_band,
-//        search_for_ms,
+        search_for_ms,
     },
     {
         search_for_quantizers_fast,
         encode_window_bands_info,
         quantize_and_encode_band,
-//        search_for_ms,
+        search_for_ms,
     },
 };