Bump to 1.6.3

Maintenance release. Compiling with newer ffmpeg and fix
a potential crash on slow terminals.

Author: hzeller

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.10)
 
-project(timg VERSION 1.6.2 LANGUAGES CXX)
+project(timg VERSION 1.6.3 LANGUAGES CXX)
 
 option(WITH_VIDEO_DECODING "Enables video decoding feature" ON)
 option(WITH_VIDEO_DEVICE "Enables reading videos from devices e.g. v4l2 (requires WITH_VIDEO_DECODING)" ON)