minor fix for ffmpeg

modules/highgui/src/cap_ffmpeg_impl.hpp

@@ -491,11 +491,11 @@ bool CvCapture_FFMPEG::open( const char* _filename )
         AVCodecContext *enc = &ic->streams[i]->codec;
 #endif
 
-		avcodec_thread_init(enc, count_threads);
+        avcodec_thread_init(enc, count_threads);
 
-		//#ifndef AVMEDIA_TYPE_VIDEO
+        #ifndef AVMEDIA_TYPE_VIDEO
-		//	#define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
+            #define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
-		//#endif
+        #endif
 		
         if( AVMEDIA_TYPE_VIDEO == enc->codec_type && video_stream < 0) {
 		    AVCodec *codec = avcodec_find_decoder(enc->codec_id);