Build vcldemo on Windows too.

Change-Id: Ia6f7cfb819983a3a75ac78015a8eec1da539bead

vcl/Module_vcl.mk

@@ -27,13 +27,13 @@ $(eval $(call gb_Module_add_targets,vcl,\
         StaticLibrary_vclmain \
         Executable_ui-previewer \
 		$(if $(filter LINUX MACOSX WNT,$(OS)), \
-	        Executable_icontest \
-	        Executable_outdevgrind )) \
+			Executable_icontest \
+			Executable_outdevgrind \
+			Executable_vcldemo )) \
     $(if $(filter-out ANDROID IOS WNT,$(OS)), \
         Executable_svdemo \
         Executable_svptest \
-        Executable_svpclient \
-        Executable_vcldemo) \
+        Executable_svpclient) \
 ))
 
 $(eval $(call gb_Module_add_l10n_targets,vcl,\

vcl/opengl/salbmp.cxx

@@ -130,7 +130,7 @@ bool OpenGLSalBitmap::Create( const ::com::sun::star::uno::Reference< ::com::sun
     return false;
 }
 
-bool OpenGLSalBitmap::Draw( OpenGLContext& rContext, const SalTwoRect& rPosAry )
+bool OpenGLSalBitmap::Draw( OpenGLContext& rContext, const SalTwoRect& /*rPosAry*/ )
 {
     if( !mpContext )
         mpContext = &rContext;

vcl/workben/vcldemo.cxx

@@ -154,6 +154,7 @@ public:
         aMainWin.SetText( "Interactive VCL demo" );
         aMainWin.Show();
         Application::Execute();
+        return 0;
     }
 
 protected: