Fix clip_span() to use memmove() instead of memcpy().
This is actually a merge of upstream commit a44d715d2b19dc2f8f48b01144cc38e4e2c5015a

BUG=139587,132211
Review URL: https://chromiumcodereview.appspot.com/10833067

git-svn-id: svn://svn.chromium.org/chrome/trunk/src/third_party/mesa/MesaLib@149148 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed