Leave space for the trailing NUL.

svn path=/trunk/; revision=1458

1 files changed, 1 insertions, 1 deletions

diff --git a/driver.c b/driver.c
index e6ddd04a..86622068 100644
--- a/driver.c
+++ b/driver.c
@@ -860,7 +860,7 @@ int num;		/* index of message */
 		length += (strlen(idp->id) + 1);
 		good_addresses++;
 	    }
-	names = (char *)alloca(length);
+	names = (char *)alloca(++length);
 	names[0] = '\0';
 	for (idp = xmit_names; idp; idp = idp->next)
 	    if (idp->val.num == XMIT_ACCEPT)