Fixed setting an invalid frame when initially adding content views.
Fixed setting an invalid frame when initially adding content views.

cparnot/INAppStoreWindow,sdesimone/INAppStoreWindow,indragiek/INAppStoreWindow,xvtom/INAppStoreWindow,sdesimone/INAppStoreWindow,xvtom/INAppStoreWindow,appden/INAppStoreWindow,indragiek/INAppStoreWindow,cparnot/INAppStoreWindow,appden/INAppStoreWindow