util: Fix MinGW build.
authorJosé Fonseca <jfonseca@vmware.com>
Thu, 10 Oct 2013 04:17:53 +0000 (21:17 -0700)
committerJosé Fonseca <jfonseca@vmware.com>
Thu, 10 Oct 2013 04:17:53 +0000 (21:17 -0700)
commita922d3413f99ec384ed23324a4cceade8ab57e34
tree263b767b0af966869a1b517ac9b4d84cbaaa4140
parent1aef0ef2771d2b83e057e3fe91067fc6e7cb6652
util: Fix MinGW build.

_GNU_SOURCE appears to not be used reliably.  Use _MSC_VER instead so
that MSVC alone is affected.
src/gallium/auxiliary/util/u_math.h