#pragma once for our headers plus drive-by formatting

rtgui/wbprovider.h

@@ -16,9 +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 _WBPROVIDER_
-#define _WBPROVIDER_
-
+#pragma once
 
 class WBProvider
 {
@@ -29,5 +27,3 @@ public:
     virtual void getCamWB (double& temp, double& green) {}
     virtual void spotWBRequested (int size) {}
 };
-
-#endif