swscale: Do not shift negative values directly
authorLuca Barbato <lu_zero@gentoo.org>
Sat, 15 Apr 2017 12:39:45 +0000 (14:39 +0200)
committerLuca Barbato <lu_zero@gentoo.org>
Sat, 15 Apr 2017 13:37:18 +0000 (15:37 +0200)
It is undefined in C as reported:
    warning: shifting a negative signed value is undefined


No differences found