Updating build script

Author: srikanth-descript

build-ffmpeg

@@ -4,8 +4,8 @@
 # LICENSE: https://github.com/markus-perl/ffmpeg-build-script/blob/master/LICENSE
 
 PROGNAME=$(basename "$0")
-FFMPEG_VERSION=6.1
-SCRIPT_VERSION=1.48.rc.1
+FFMPEG_VERSION=5.1
+SCRIPT_VERSION=1.49.rc.1
 CWD=$(pwd)
 PACKAGES="$CWD/packages"
 WORKSPACE="$CWD/workspace"