Fixed the build error using gcc 13
-rwxr-xr-x 82 AUTHORS
-rwxr-xr-x 2764 CMakeLists.txt
-rwxr-xr-x 11435 LICENSE.APLv2
-rwxr-xr-x 232 NOTICE
drwxr-xr-x - config
drwxr-xr-x - doc
drwxr-xr-x - externals
drwxr-xr-x - framework
drwxr-xr-x - include
drwxr-xr-x - manager
drwxr-xr-x - mapi
-rwxr-xr-x 71 mms-plugin.manifest
-rwxr-xr-x 71 msg-manager.manifest
-rwxr-xr-x 70 msg-service-tools.manifest
-rwxr-xr-x 70 msg-service.manifest
-rwxr-xr-x 239 msg-service.pc.in
drwxr-xr-x - packaging
drwxr-xr-x - plugin
drwxr-xr-x - proxy
-rwxr-xr-x 71 sms-plugin.manifest
drwxr-xr-x - utils
drwxr-xr-x - vobject-engine