avformat/dashdec: fix code style in dash_read_packet

libavformat/dashdec.c

@@ -2181,37 +2181,38 @@ static int dash_read_packet(AVFormatContext *s, AVPacket *pkt)
     int ret = 0, i;
     int64_t mints = 0;
     struct representation *cur = NULL;
+    struct representation *rep = NULL;
 
     recheck_discard_flags(s, c->videos, c->n_videos);
     recheck_discard_flags(s, c->audios, c->n_audios);
     recheck_discard_flags(s, c->subtitles, c->n_subtitles);
 
     for (i = 0; i < c->n_videos; i++) {
-        struct representation *pls = c->videos[i];
-        if (!pls->ctx)
+        rep = c->videos[i];
+        if (!rep->ctx)
             continue;
-        if (!cur || pls->cur_timestamp < mints) {
-            cur = pls;
-            mints = pls->cur_timestamp;
+        if (!cur || rep->cur_timestamp < mints) {
+            cur = rep;
+            mints = rep->cur_timestamp;
         }
     }
     for (i = 0; i < c->n_audios; i++) {
-        struct representation *pls = c->audios[i];
-        if (!pls->ctx)
+        rep = c->audios[i];
+        if (!rep->ctx)
             continue;
-        if (!cur || pls->cur_timestamp < mints) {
-            cur = pls;
-            mints = pls->cur_timestamp;
+        if (!cur || rep->cur_timestamp < mints) {
+            cur = rep;
+            mints = rep->cur_timestamp;
         }
     }
 
     for (i = 0; i < c->n_subtitles; i++) {
-        struct representation *pls = c->subtitles[i];
-        if (!pls->ctx)
+        rep = c->subtitles[i];
+        if (!rep->ctx)
             continue;
-        if (!cur || pls->cur_timestamp < mints) {
-            cur = pls;
-            mints = pls->cur_timestamp;
+        if (!cur || rep->cur_timestamp < mints) {
+            cur = rep;
+            mints = rep->cur_timestamp;
         }
     }