Fixed error in TexImage2D Corrected small mistake in type. Change-Id: Ib96b5dfca7fc843c83c3f15a64f141769555d9aa Reviewed-on: https://swiftshader-review.googlesource.com/3031 Tested-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>