#pragma once for our headers plus drive-by formatting

rtgui/extprog.h

@@ -16,14 +16,12 @@
 *  You should have received a copy of the GNU General Public License
 *  along with RawTherapee.  If not, see <https://www.gnu.org/licenses/>.
 */
-
-#ifndef _EXTPROG_
-#define _EXTPROG_
-
-#include <glibmm/ustring.h>
+#pragma once
 
 #include <vector>
 
+#include <glibmm/ustring.h>
+
 #include "threadutils.h"
 
 struct ExtProgAction
@@ -74,5 +72,3 @@ inline const std::vector<ExtProgAction>& ExtProgStore::getActions () const
 {
     return actions;
 }
-
-#endif