Log Message:
Pullup ticket #5680 - requested by maya
security/sudo: function fix

Revisions pulled up:
- security/sudo/Makefile                                        1.158
- security/sudo/distinfo                                        1.94
- security/sudo/patches/patch-lib_util_gethostname.c            1.1

-------------------------------------------------------------------
   Module Name:	pkgsrc
   Committed By:	maya
   Date:		Sun Jan 14 15:29:38 UTC 2018

   Modified Files:
   	pkgsrc/security/sudo: Makefile distinfo
   Added Files:
   	pkgsrc/security/sudo/patches: patch-lib_util_gethostname.c

   Log Message:
   sudo: avoid segfault if hostname is empty

   from andrew hall in pr pkg/52923
   PKGREVISION++

   To generate a diff of this commit:
   cvs rdiff -u -r1.157 -r1.158 pkgsrc/security/sudo/Makefile
   cvs rdiff -u -r1.93 -r1.94 pkgsrc/security/sudo/distinfo
   cvs rdiff -u -r0 -r1.1 \
       pkgsrc/security/sudo/patches/patch-lib_util_gethostname.c