Add denisfa to about -> contributors.

Signed-off-by: Rafael Kitover <rkitover@gmail.com>

src/wx/cmdevents.cpp

@@ -2775,6 +2775,7 @@ EVT_HANDLER(wxID_ABOUT, "About...")
     ai.AddDeveloper(wxT("rkitover"));
     ai.AddDeveloper(wxT("Mystro256"));
     ai.AddDeveloper(wxT("retro-wertz"));
+    ai.AddDeveloper(wxT("denisfa"));
     ai.AddDeveloper(wxT("Orig. VBA team"));
     ai.AddDeveloper(wxT("... many contributors who send us patches/PRs"));
     wxAboutBox(ai);