added FindFileInPath() (part of an otherwise rejected patch)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40266 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/filesys.h

@@ -181,6 +181,9 @@ public:
     wxString FindFirst(const wxString& spec, int flags = 0);
     wxString FindNext();
 
+    // find a file in a list of directories, returns false if not found
+    bool FindFileInPath(wxString *pStr, const wxChar *path, const wxChar *file);
+
     // Adds FS handler.
     // In fact, this class is only front-end to the FS handlers :-)
     static void AddHandler(wxFileSystemHandler *handler);