Comment 2 for bug 1061677

StacktraceTop:
 unity_webapps_url_db_insert_url_prepare_statement (record=0xe7d4b20, url=0xe3958f0 "https://read.amazon.com/*", url_db=0x0) at ../unity-webapps-url-db.c:40
 unity_webapps_url_db_insert_url (url_db=0x0, url=0xe3958f0 "https://read.amazon.com/*", record=record@entry=0xe7d4b20) at ../unity-webapps-url-db.c:133
 package_info_done (channel=0x9de5050, condition=G_IO_HUP, user_data=user_data@entry=0x0) at ubuntu-webapps-update-index.c:107
 g_io_unix_dispatch (source=source@entry=0x9de5400, callback=0x8049950 <package_info_done>, user_data=0x0) at /build/buildd/glib2.0-2.34.0/./glib/giounix.c:167
 g_main_dispatch (context=0x9de7c00) at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715