Fix a memory leak in the FLAC decoder.

resize_buffer() would only free the channel buffers when the
 channel count changed, not when the size of the buffer changed,
 even though it allocated new buffers in both cases.

svn path=/trunk/vorbis-tools/; revision=18382

oggenc/flac.c

@@ -341,17 +341,15 @@ void resize_buffer(flacfile *flac, int newchannels, int newsamples)
         return;
     }
 
-
-    /* Not the most efficient approach, but it is easy to follow */
-    if(newchannels != flac->channels)
-    {
     /* Deallocate all of the sample vectors */
     for (i = 0; i < flac->channels; i++)
         free(flac->buf[i]);
 
+    /* Not the most efficient approach, but it is easy to follow */
+    if(newchannels != flac->channels)
+    {
         flac->buf = realloc(flac->buf, sizeof(float*) * newchannels);
         flac->channels = newchannels;
-
     }
 
     for (i = 0; i < newchannels; i++)