Build: Bump version to 5.4.0rc2

Author: furszy

configure.ac

@@ -4,7 +4,7 @@ define(_CLIENT_VERSION_MAJOR, 5)
 define(_CLIENT_VERSION_MINOR, 4)
 define(_CLIENT_VERSION_REVISION, 0)
 define(_CLIENT_VERSION_BUILD, 0)
-define(_CLIENT_VERSION_RC, 1)
+define(_CLIENT_VERSION_RC, 2)
 define(_CLIENT_VERSION_IS_RELEASE, true)
 define(_COPYRIGHT_YEAR, 2021)
 AC_INIT([PIVX Core],m4_join([.], _CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MINOR, _CLIENT_VERSION_REVISION, m4_if(_CLIENT_VERSION_BUILD, [0], [], _CLIENT_VERSION_BUILD))m4_if(_CLIENT_VERSION_RC, [0], [], [rc]_CLIENT_VERSION_RC),[https://github.com/pivx-project/pivx/issues],[pivx],[https://www.pivx.org/])