[PATCH] wpa_cli should only call action file when state changes

[Roy Marples]

Hi List!

wpa_cli can monitor wpa_supplicant and call an action file based on state. 
However, wpa_cli repeatedly calls it with the disconnected state after a scan 
even if it was not previously connected, like so.

scan -> disconnected - > call action file
scan -> disconnected - > call action file
scan -> disconnected - > call action file
scan -> disconnected - > call action file

Attached is a patch so that we only call the action file on a disconnect if we 
were previously connected and we only call the action file on a connect if we 
were previously disconnected.

Thanks

-- 
Roy Marples <uberlord at gentoo.org>
Gentoo/Linux Developer (baselayout, networking)
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