antirez/redis — pull request #582 by trapezoid (2012-07-15 09:49:11+00:00)
Title: BITCOUNT: fix segmentation fault.

remove unsafe and unnecessary cast.
until now, this cast may lead segmentation fault when end > UINT_MAX

# example
setbit foo 0 1
bitcount 0 4294967295
=> ok
bitcount 0 4294967296
=> cause segmentation fault.