Make sans serif default font for X11.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17847 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/x11/settings.cpp

@@ -50,7 +50,7 @@ wxFont wxSystemSettingsNative::GetFont(wxSystemFont index)
         case wxSYS_DEFAULT_GUI_FONT:
         default:
         {
-            return wxFont(12, wxSWISS, wxNORMAL, wxNORMAL, FALSE);
+            return wxFont(12, wxNORMAL, wxNORMAL, wxNORMAL, FALSE);
             break;
         }
     }