use wxDiskspaceSize_t which is long and not wxLongLong if wxUSE_LONGLONG==0 (part of patch 1203970)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37494 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/palmos/utils.cpp

@@ -107,7 +107,7 @@ wxChar *wxGetUserHome(const wxString& WXUNUSED(user))
     return NULL;
 }
 
-bool wxGetDiskSpace(const wxString& path, wxLongLong *pTotal, wxLongLong *pFree)
+bool wxGetDiskSpace(const wxString& path, wxDiskspaceSize_t *pTotal, wxDiskspaceSize_t *pFree)
 {
     return false;
 }