i965: Don't bother freeing NULL.
authorMatt Turner <mattst88@gmail.com>
Sat, 11 Apr 2015 17:05:31 +0000 (10:05 -0700)
committerMatt Turner <mattst88@gmail.com>
Mon, 13 Apr 2015 16:03:02 +0000 (09:03 -0700)
commit1c9db39d54508608ea9518bc82eacbd8e27c410c
treee2bfbced32355fd194b4495c11fb0c5b162a6525
parenta76dc15b2b37db18151b42be63b49438588a92fe
i965: Don't bother freeing NULL.

Commit e16c5c90 was replacing 'region' with 'mt', leaving this
nonsensical code.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
src/mesa/drivers/dri/i965/intel_mipmap_tree.c