Added workaround for crash when closing application chooser

firefox.spec

@@ -115,6 +115,7 @@ Patch219:        rhbz-1173156.patch
 Patch220:        rhbz-1014858.patch
 Patch221:        firefox-fedora-ua.patch
 Patch222:        firefox-gtk3-20.patch
+Patch223:        rhbz-1291190-appchooser-crash.patch
 
 # Upstream patches
 Patch300:        mozilla-1234026.patch
@@ -265,6 +266,7 @@ cd %{tarballdir}
 %if 0%{?fedora} > 23
 %patch222 -p1 -b .gtk3-20
 %endif
+%patch223 -p1 -b .appchooser-crash
 
 %patch300 -p1 -b .1234026
 

rhbz-1291190-appchooser-crash.patch

@@ -0,0 +1,18 @@
+diff -up firefox-44.0/widget/gtk/nsApplicationChooser.cpp.appchooser-crash firefox-44.0/widget/gtk/nsApplicationChooser.cpp
+--- firefox-44.0/widget/gtk/nsApplicationChooser.cpp.appchooser-crash	2016-01-24 00:23:50.000000000 +0100
++++ firefox-44.0/widget/gtk/nsApplicationChooser.cpp	2016-02-03 17:17:50.891127905 +0100
+@@ -112,7 +112,13 @@ void nsApplicationChooser::Done(GtkWidge
+ 
+   // A "response" signal won't be sent again but "destroy" will be.
+   g_signal_handlers_disconnect_by_func(chooser, FuncToGpointer(OnDestroy), this);
+-  gtk_widget_destroy(chooser);
++  // GTK 3.18 has a problem with destroying dialog at this stage for some reason.
++  // We're going to hide the dialog in this case as a workaround.
++  if (gtk_major_version  == 3 && gtk_minor_version == 18) {
++    gtk_widget_hide(chooser);
++  } else {
++    gtk_widget_destroy(chooser);
++  }
+ 
+   if (mCallback) {
+     mCallback->Done(localHandler);