libavcodec/exr : indent gray support patch

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/exr.c

@@ -1380,12 +1380,13 @@ static int decode_header(EXRContext *s)
                                !strcmp(ch_gb.buffer, "W")){
                                channel_index = 2;
                         s->is_luma = 0;
-                    } else if (!strcmp(ch_gb.buffer, "A"))
+                    } else if (!strcmp(ch_gb.buffer, "A")) {
                         channel_index = 3;
-                    else
+                    } else {
                         av_log(s->avctx, AV_LOG_WARNING,
                                "Unsupported channel %.256s.\n", ch_gb.buffer);
                     }
+                }
 
                 /* skip until you get a 0 */
                 while (bytestream2_get_bytes_left(&ch_gb) > 0 &&