codec_desc: K&R formatting cosmetics

libavcodec/codec_desc.c

@@ -2282,9 +2282,8 @@ const AVCodecDescriptor *avcodec_descriptor_get_by_name(const char *name)
 {
     const AVCodecDescriptor *desc = NULL;
 
-    while ((desc = avcodec_descriptor_next(desc))) {
+    while ((desc = avcodec_descriptor_next(desc)))
         if (!strcmp(desc->name, name))
             return desc;
-    }
     return NULL;
 }