Default Phone Requesting Superusser Permission

Has this happened to anyone else before? It just happened and I'm a bit confused :/ Why would HTC's phone app want a superuser permission?

Sent from my HTC Butterfly S using xda app-developers app
HTC Butterfly S - Insertcoin ; HTC One X - Cyanogenmod (Dead) ; Samsung Galaxy Note 10.1 - Stock (Don't buy, sucks ass)

"In brightest day, in blackest night, No evil shall escape my sight.

Let those who worship evil's might, Beware my power, Green Lantern's light!"