Formatted all .cc and .h code in rtengine, rtexif and rtgui using astyle

rtgui/wbprovider.h

@@ -7,7 +7,7 @@
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation, either version 3 of the License, or
  *  (at your option) any later version.
- * 
+ *
  *  RawTherapee is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ -20,9 +20,10 @@
 #define _WBPROVIDER_
 
 
-class WBProvider {
+class WBProvider
+{
 
-  public:
+public:
     virtual ~WBProvider() {}
     virtual void getAutoWB (double& temp, double& green, double equal) {}
     virtual void getCamWB (double& temp, double& green) {}