Provide versioning for backport of 46117 (wxLog::DoCreateOnDemand).

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@47438 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/log.h

@@ -176,9 +176,11 @@ public:
     // Set log level.  Log messages with level > logLevel will not be logged.
     static void SetLogLevel(wxLogLevel logLevel) { ms_logLevel = logLevel; }
 
+#if wxABI_VERSION >= 20805 /* 2.8.5+ only */
     // should GetActiveTarget() try to create a new log object if the
     // current is NULL?
     static void DontCreateOnDemand();
+#endif
 
     // Make GetActiveTarget() create a new log object again.
     static void DoCreateOnDemand();

version-script.in

@@ -34,6 +34,7 @@
         *wxAuiNotebook*SetNormalFont*;
         *wxAuiNotebook*SetSelectedFont*;
         *wxDocument*GetUserReadableName*;
+        *wxLog*DoCreateOnDemand*;
         *wxLogChain*DetachOldLog*;
         *wxMemoryFSHandler*AddFileWithMimeType*;
         *wxMetafileDC*DoGetTextExtent*;