Include dimension2d.h in SIrrCreationParameters.h; required on MSVC builds...

Include dimension2d.h in SIrrCreationParameters.h; required on MSVC builds after change to COpenGLDriver.h

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1771 dfc29bdd-3216-0410-991c-e03cc46cb475

include/SIrrCreationParameters.h

@@ -6,6 +6,7 @@
 #define __I_IRRLICHT_CREATION_PARAMETERS_H_INCLUDED__
 
 #include "EDriverTypes.h"
+#include "dimension2d.h"
 
 namespace irr
 {