avcodec/mlpdec: Insuffient typo

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit fc32e08941)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

libavcodec/mlpdec.c

@@ -1169,7 +1169,7 @@ static int read_access_unit(AVCodecContext *avctx, void* data,
         }
 
         if (length < header_size + substr_header_size) {
-            av_log(m->avctx, AV_LOG_ERROR, "Insuffient data for headers\n");
+            av_log(m->avctx, AV_LOG_ERROR, "Insufficient data for headers\n");
             goto error;
         }