Bug#507733: Edit Connections crashes if PolicyKit is not installed

Package: network-manager-gnome
Version: 0.7.0-1

network-manager recommends, but does not depend on, policykit. However,
when I did not have policykit installed, right-clicking nm-applet,
picking Edit Connections, picking Mobile Broadband, clicking Add,
choosing any option and clicking Okay crashed the Edit Connections
dialog, with the following printed to nm-applet's tty:

** (nm-connection-editor:19482): WARNING **: Failed to initialize
PolicyKit context: (null)
[WARN 19482] polkit-error.c:156:polkit_error_free(): error != NULL
 Not built with -rdynamic so unable to print a backtrace

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Will