properly setting the C version

CMakeLists.txt

@@ -41,3 +41,5 @@ target_link_libraries(ModManager ${LIBXML_LIBRARIES})
 target_link_libraries(ModManager ${AUDIT_LIBRARIES})
 
 install(TARGETS ModManager DESTINATION bin)
+
+set_property(TARGET ModManager PROPERTY C_STANDARD 23)

src/main.c

@@ -90,7 +90,7 @@ int validateAppId(const char * appIdStr) {
 	return (int)appid;
 }
 
-int listGames(int argc, char ** argv) {
+int listGames(int argc, char **) {
 	if(argc != 2) return usage();
 	GList * gamesIds = g_hash_table_get_keys(gamePaths);
 	GList * gamesIdsFirstPointer = gamesIds;