[FFmpeg-cvslog] avcodec/magicyuvenc: Use more correct cast in compare function

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Thu Oct  8 21:14:28 2020 +0200| [32f0a000fdec70f55cdb702eface1ded8f658a00] | committer: Andreas Rheinhardt

avcodec/magicyuvenc: Use more correct cast in compare function

There is no need to cast const away (even if it was harmless) and to
copy the object at all.

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=32f0a000fdec70f55cdb702eface1ded8f658a00
---

 libavcodec/magicyuvenc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libavcodec/magicyuvenc.c b/libavcodec/magicyuvenc.c
index 9b79ac69b6..d53fe6f328 100644
--- a/libavcodec/magicyuvenc.c
+++ b/libavcodec/magicyuvenc.c
@@ -280,9 +280,9 @@ typedef struct PackageMergerList {
 
 static int compare_by_prob(const void *a, const void *b)
 {
-    PTable a_val = *(PTable *)a;
-    PTable b_val = *(PTable *)b;
-    return a_val.prob - b_val.prob;
+    const PTable *a2 = a;
+    const PTable *b2 = b;
+    return a2->prob - b2->prob;
 }
 
 static void magy_huffman_compute_bits(PTable *prob_table, HuffEntry *distincts,