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.

server/modules/authenticator/PAM/PAMBackendAuth/pam_backend_auth.hh

@@ -10,7 +10,7 @@
  * of this software will be governed by version 2 or later of the General
  * Public License.
  */
- #pragma once
+#pragma once
 
 /**
  * Common definitions and includes for PAMBackendAuth