Ensure that the fonts collector destination label gets wrapped on OS X

src/dialog_fonts_collector.cpp

@@ -385,6 +385,12 @@ void DialogFontsCollector::UpdateControls() {
 			}
 		}
 	}
+
+#ifdef __APPLE__
+	// wxStaticText auto-wraps everywhere but OS X
+	dest_label->Wrap(dest_label->GetParent()->GetSize().GetWidth() - 20);
+	Layout();
+#endif
 }
 
 void DialogFontsCollector::OnAddText(ValueEvent<color_str_pair> &event) {