Use the same mh_hostname() function from test/common.h in mhsign(1)
[mmh] / test / tests / rcv /
drwxr-xr-x   ..
-rwxr-xr-x 2694 test-rcvdist
-rwxr-xr-x 1127 test-rcvpack
-rwxr-xr-x 4099 test-rcvstore