fix ellipsis

Change-Id: If427f3609193244b6ccda4e00f1ca793174e83e2
Reviewed-on: https://gerrit.libreoffice.org/18880Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sc/source/ui/drawfunc/objdraw.src

@@ -476,7 +476,7 @@ Menu RID_POPUP_CHART
         {
             Identifier = SID_EXPORT_AS_GRAPHIC ;
             Command = ".uno:ExportAsGraphic" ;
-            Text [ en-US ] = "Export as Image.." ;
+            Text [ en-US ] = "Export as Image..." ;
         };
     };
 };