math/cmpx: change space to tab in the Pow docs for better formatting Godoc makes it look better this way; before, it all ran together into nonsense.
math/cmpx: change space to tab in the Pow docs for better formatting
Godoc makes it look better this way; before, it all ran together into nonsense.

LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://codereview.appspot.com/90400045

h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang,h8liu/golang