#pragma once for our headers plus drive-by formatting

rtgui/profilechangelistener.h

@@ -16,8 +16,7 @@
  *  You should have received a copy of the GNU General Public License
  *  along with RawTherapee.  If not, see <https://www.gnu.org/licenses/>.
  */
-#ifndef _PROFILECHANGELISTENER_
-#define _PROFILECHANGELISTENER_
+#pragma once
 
 #include <glibmm/ustring.h>
 
@@ -48,6 +47,3 @@ public:
     ) = 0;
     virtual void setDefaults(const rtengine::procparams::ProcParams* defparams) = 0;
 };
-
-#endif
-