AAC: Cosmetic alterations after the last commit

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@17182 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/aac.c

@@ -1574,13 +1574,10 @@ static int aac_decode_frame(AVCodecContext * avccontext, void * data, int * data
             ac->che[TYPE_SCE][elem_id] = ac->che[TYPE_LFE][0];
             ac->che[TYPE_LFE][0] = NULL;
         }
-        if(elem_type < TYPE_DSE) {
-            if(!ac->che[elem_type][elem_id])
-            {
+        if(elem_type < TYPE_DSE && !ac->che[elem_type][elem_id]) {
             av_log(ac->avccontext, AV_LOG_ERROR, "channel element %d.%d is not allocated\n", elem_type, elem_id);
             return -1;
         }
-        }
 
         switch (elem_type) {