lavc/screenpresso: Fix 32bit pix_fmt, there is no transparency.

Fixes a remaining issue of ticket #5025.

libavcodec/screenpresso.c

@@ -30,7 +30,7 @@
  * rebuilt frame (not the reference), and since there is no coordinate system
  * they contain exactly as many pixel as the keyframe.
  *
- * Supports: BGRA, BGR24, RGB555
+ * Supports: BGR0, BGR24, RGB555
  */
 
 #include <stdint.h>
@@ -129,7 +129,7 @@ static int screenpresso_decode_frame(AVCodecContext *avctx, void *data,
         avctx->pix_fmt = AV_PIX_FMT_BGR24;
         break;
     case 4:
-        avctx->pix_fmt = AV_PIX_FMT_BGRA;
+        avctx->pix_fmt = AV_PIX_FMT_BGR0;
         break;
     default:
         av_log(avctx, AV_LOG_ERROR, "Invalid bits per pixel value (%d)\n",

libavcodec/version.h

@@ -29,7 +29,7 @@
 
 #define LIBAVCODEC_VERSION_MAJOR  57
 #define LIBAVCODEC_VERSION_MINOR  51
-#define LIBAVCODEC_VERSION_MICRO 100
+#define LIBAVCODEC_VERSION_MICRO 101
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
                                                LIBAVCODEC_VERSION_MINOR, \