ash: make "locak VAR" unset VAR (bash does that)

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 04ba447b1..7a097c814 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -8960,6 +8960,9 @@ mklocal(char *name)
                         vp->flags |= VSTRFIXED|VTEXTFIXED;
                         if (eq)
                                 setvareq(name, 0);
+                        else
+                                /* "local VAR" unsets VAR: */
+                                setvar(name, NULL, 0);
                 }
         }
         lvp->vp = vp;