avcodec/indeo3: Round dimensions up in allocate_frame_buffers()

Fixes: Ticket6581

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/indeo3.c

@@ -171,6 +171,9 @@ static av_cold int allocate_frame_buffers(Indeo3DecodeContext *ctx,
     int luma_size, chroma_size;
     ptrdiff_t luma_pitch, chroma_pitch;
 
+    luma_width  = FFALIGN(luma_width , 2);
+    luma_height = FFALIGN(luma_height, 2);
+
     if (luma_width  < 16 || luma_width  > 640 ||
         luma_height < 16 || luma_height > 480 ||
         luma_width  &  1 || luma_height &   1) {