Fix version.
https://github.com/RJVB/afsctool/commit/ab3716682ff1d6d5fb05df73a81166e03c71160e
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
 
-project(afsctool VERSION 1.7.2)
+project(afsctool VERSION 1.7.3)
 set(afsctool_FULL_VERSION "${afsctool_VERSION_MAJOR}.${afsctool_VERSION_MINOR}.${afsctool_VERSION_PATCH}.${afsctool_VERSION_TWEAK}")
 
 include(CheckTypeSize)