Make CMake Open Project Wizard bigger

Task-number: QTCREATORBUG-5788
Change-Id: I45f54faff6efa7d7a877efc877191dd8ce85c3f9
Reviewed-on: http://codereview.qt.nokia.com/3810
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/plugins/cmakeprojectmanager/cmakeopenprojectwizard.cpp

@@ -143,6 +143,7 @@ void CMakeOpenProjectWizard::init()
 {
     setOption(QWizard::NoBackButtonOnStartPage);
     setWindowTitle(tr("CMake Wizard"));
+    setMinimumSize(800, 600);
 }
 
 CMakeManager *CMakeOpenProjectWizard::cmakeManager() const