Use the resource file correctly.

Change-Id: I40af0beaf0de25347e8241c08e3be5f92ac16f93

sc/AllLangResTarget_sc.mk

@@ -83,6 +83,7 @@ $(eval $(call gb_SrsTarget_add_files,sc/res,\
     sc/source/ui/src/colorformat.src \
     sc/source/ui/src/condformatdlg.src \
     sc/source/ui/src/condformatmgr.src \
+    sc/source/ui/src/xmlsourcedlg.src \
     sc/source/ui/cctrl/checklistmenu.src \
     sc/source/ui/navipi/navipi.src \
     sc/source/ui/docshell/tpstat.src \

sc/source/ui/src/xmlsourcedlg.src

-
 /*
  * This file is part of the LibreOffice project.
  *
@@ -17,3 +16,4 @@ ModalDialog RID_SCDLG_XML_SOURCE
     Moveable = TRUE ;
     Closeable = TRUE ;
 };
+

sc/source/ui/xmlsource/xmlsourcedlg.cxx

@@ -10,9 +10,12 @@
 #include "xmlsourcedlg.hxx"
 #include "xmlsourcedlg.hrc"
 
+#include "scresid.hxx"
+
 ScXMLSourceDlg::ScXMLSourceDlg(Window* pParent) :
-    ModalDialog(pParent, RID_SCDLG_XML_SOURCE)
+    ModalDialog(pParent, ScResId(RID_SCDLG_XML_SOURCE))
 {
+    FreeResource();
 }
 
 ScXMLSourceDlg::~ScXMLSourceDlg()