export host after setting it.
export host after setting it.

This is needed so passwd diffs show the hostname instead of
" passwd diffs:"

PR:		17651
Submitted by:	Giorgos Keramidas <keramida@ceid.upatras.gr>

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