Try loading even English translations if provided.

Doing so has negligible cost and can be useful in some situations (e.g.
when using symbolic msgids despite gettext best practices).

Patch by tmsorensen.

Fixes #15522.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74849 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/translation.h

@@ -169,7 +169,7 @@ public:
 
 private:
     // perform loading of the catalog via m_loader
-    bool LoadCatalog(const wxString& domain, const wxString& lang);
+    bool LoadCatalog(const wxString& domain, const wxString& lang, const wxString& msgIdLang);
 
     // find catalog by name in a linked list, return NULL if !found
     wxMsgCatalog *FindCatalog(const wxString& domain) const;