Move startcenter.ui from framework to sfx2

In a previos move BackingWindow was moved, but startcenter.ui was left
behind by accident.

Change-Id: I7d9669df9b2b65311e119640ba2a7a331b6336e9
Reviewed-on: https://gerrit.libreoffice.org/5316Reviewed-by: Jan Holesovsky <kendy@suse.cz>
Tested-by: Jan Holesovsky <kendy@suse.cz>

framework/UIConfig_startmodule.mk

@@ -21,8 +21,4 @@ $(eval $(call gb_UIConfig_add_toolbarfiles,modules/StartModule,\
 	framework/uiconfig/startmodule/toolbar/standardbar \
 ))
 
-$(eval $(call gb_UIConfig_add_uifiles,modules/StartModule,\
-	framework/uiconfig/startmodule/ui/startcenter \
-))
-
 # vim: set noet sw=4 ts=4:

sfx2/UIConfig_sfx.mk

@@ -26,6 +26,7 @@ $(eval $(call gb_UIConfig_add_uifiles,sfx,\
 	sfx2/uiconfig/ui/singletabdialog \
 	sfx2/uiconfig/ui/versionsofdialog \
 	sfx2/uiconfig/ui/versioncommentdialog \
+	sfx2/uiconfig/ui/startcenter \
 ))
 
 # vim: set noet sw=4 ts=4:

sfx2/source/dialog/backingwindow.cxx

@@ -80,7 +80,7 @@ BackingWindow::BackingWindow( Window* i_pParent ) :
     mpAccExec( NULL )
 {
     m_pUIBuilder = new VclBuilder(this, getUIRootDir(),
-      "modules/StartModule/ui/startcenter.ui",
+      "sfx/ui/startcenter.ui",
       "StartCenter" );
     get(mpWriterButton,    "writer");
     get(mpCalcButton,      "calc");