Also fix libGLESv2.
Also fix libGLESv2.

BUG=chromium:686980

Change-Id: I5f22f57288246c262a0fdb0ca1b0b321e4a58c1b
Reviewed-on: https://swiftshader-review.googlesource.com/9310
Tested-by: Ivan Krasin <930e4a24fc717c756c1b5a74078ecbe35bb62204@chromium.org>
Reviewed-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>

google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader