rc: fix parse of $local_startup

77e1ccbee3ed6c837929e4e232fd07f95bfc8294 introduced parallel execution
of rc. It separated groups with line feeds (\n) and elements within
groups using spaces. This is a natural separation due to rcorder
using spaces and lines to separate elements within groups with groups
of services separated by line feeds.

77e1ccbee3ed6c837929e4e232fd07f95bfc8294 parses the output from rcorder
by setting $IFS. However it failed to reset $IFS to default ' \t\n'
prior to calling find_local_scripts_new(), causing find_local_scripts_new()
to fail parsing $local_startup for site-specific local rc scripts, i.e.
${LOCALBASE}/etc/rc.d. This caused daemons from ports and packages such
as postfix, dovecot, nut, and others in ${LOCALBASE} not to be started.

PR:		249192
MFC after:	3 week
X-MFC with:	77e1ccbee3ed6c837929e4e232fd07f95bfc8294

1 files changed, 1 insertions, 0 deletions

diff --git a/libexec/rc/rc b/libexec/rc/rc
index 722d7fe35884..b5bc188fc7c0 100644
--- a/libexec/rc/rc
+++ b/libexec/rc/rc
@@ -119,6 +119,7 @@ for _rc_group in ${files}; do
 done
 
 unset files local_rc
+unset IFS
 
 # Now that disks are mounted, for each dir in $local_startup
 # search for init scripts that use the new rc.d semantics.