===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/environ.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- src/usr.bin/tmux/environ.c	2009/08/08 21:52:43	1.1
+++ src/usr.bin/tmux/environ.c	2009/08/08 21:54:26	1.2
@@ -1,4 +1,4 @@
-/* $OpenBSD: environ.c,v 1.1 2009/08/08 21:52:43 nicm Exp $ */
+/* $OpenBSD: environ.c,v 1.2 2009/08/08 21:54:26 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -134,14 +134,14 @@
 environ_update(const char *vars, struct environ *srcenv, struct environ *dstenv)
 {
 	struct environ_entry	*envent;
-	char			*var, *next;
+	char			*copyvars, *var, *next;
 
-	vars = next = xstrdup(vars);
+	copyvars = next = xstrdup(vars);
 	while ((var = strsep(&next, " ")) != NULL) {
 		if ((envent = environ_find(srcenv, var)) == NULL)
 			environ_set(dstenv, var, NULL);
 		else
 			environ_set(dstenv, envent->name, envent->value);
 	}
-	xfree(vars);
+	xfree(copyvars);
 }