Comment 2 for bug 1058392

StacktraceTop:
 unity_webapps_url_db_insert_url_prepare_statement (package=<optimized out>, url=<optimized out>, url_db=0x0) at ../unity-webapps-url-db.c:37
 unity_webapps_url_db_insert_url (url_db=0x0, url=<optimized out>, package=package@entry=0x78c8500 "unity-webapps-angrybirds") at ../unity-webapps-url-db.c:128
 package_info_done (channel=<optimized out>, condition=<optimized out>, user_data=<optimized out>) at ubuntu-webapps-update-index.c:89
 g_main_dispatch (context=0x242d060) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
 g_main_context_dispatch (context=context@entry=0x242d060) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219