Allow the gif module to be built without IPv6 support when NOINET6 is defined.
Allow the gif module to be built without IPv6 support when NOINET6 is
defined.

Submitted by:	mitrohin a.s. <swp at uni-altai dot ru>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase