swscale: fix crash in 8-bpc bilinear output without alpha.
authorRonald S. Bultje <rsbultje@gmail.com>
Fri, 8 Jul 2011 19:28:28 +0000 (12:28 -0700)
committerRonald S. Bultje <rsbultje@gmail.com>
Fri, 8 Jul 2011 22:15:30 +0000 (15:15 -0700)
commitbf2cba453244a74331238a472fe0e309f116f4d9
treeafecdcfcb5b40a0efaab072591497ff3701e4dc1
parentf44d50a94c120135faeba6b4a1e5551b4397810f
swscale: fix crash in 8-bpc bilinear output without alpha.

We accessed the alpha array even it wasn't used and didn't
exist, hence leading to a NULL pointer segfault.
libswscale/swscale.c