CVS commit: src/usr.bin/make

["Simon J. Gerraty" <sjg%netbsd.org@localhost>]

Module Name:    src
Committed By:   sjg
Date:           Sun Feb 18 00:52:42 UTC 2018

Modified Files:
        src/usr.bin/make: var.c

Log Message:
Var_Set: avoid SIGSEGV if val is NULL

A NULL val is handled gracefully (by VarAdd) when
var is not previously set, so we ought not crash
the second time.

PR: 53034


To generate a diff of this commit:
cvs rdiff -u -r1.217 -r1.218 src/usr.bin/make/var.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.