Uncrustify maxscale

See script directory for method. The script to run in the top level
MaxScale directory is called maxscale-uncrustify.sh, which uses
another script, list-src, from the same directory (so you need to set
your PATH). The uncrustify version was 0.66.

maxscale-system-test/mxs872_roles.cpp

@@ -35,7 +35,8 @@ int main(int argc, char** argv)
     test.repl->sync_slaves();
 
     test.tprintf("Connect with a user that has a default role");
-    MYSQL* conn = open_conn_db(test.maxscales->rwsplit_port[0], test.maxscales->IP[0], "my_db", "test", "test");
+    MYSQL* conn
+        = open_conn_db(test.maxscales->rwsplit_port[0], test.maxscales->IP[0], "my_db", "test", "test");
     test.assert(mysql_errno(conn) == 0, "Connection failed: %s", mysql_error(conn));
     char value[100] {};
     find_field(conn, "SELECT CURRENT_ROLE() AS role", "role", value);