reverted the change of wxCmdLineEntryDesc fields to wxString as this doesn't compile with VC6; make them const char * instead

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48693 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/cmdline.h

@@ -64,13 +64,17 @@ enum wxCmdLineEntryType
 struct wxCmdLineEntryDesc
 {
     wxCmdLineEntryType kind;
-    wxString shortName;
-    wxString longName;
-    wxString description;
+    const char *shortName;
+    const char *longName;
+    const char *description;
     wxCmdLineParamType type;
     int flags;
 };
 
+// the list of wxCmdLineEntryDesc objects should be terminated with this one
+#define wxCMD_LINE_DESC_END \
+        { wxCMD_LINE_NONE, NULL, NULL, NULL, wxCMD_LINE_VAL_NONE, 0x0 }
+
 // ----------------------------------------------------------------------------
 // wxCmdLineParser is a class for parsing command line.
 //