libbb: make xrealloc_vector zero out the realloc'ed tail

function                                             old     new   delta
xrealloc_vector_helper                                51      76     +25
man_main                                             712     705      -7
act                                                  250     234     -16
create_list                                           91      70     -21
getopt_main                                          695     664     -31
load_dep_bb                                          281     248     -33
fileAction                                           744     709     -35
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/6 up/down: 25/-143)          Total: -118 bytes

1 files changed, 1 insertions, 1 deletions

diff --git a/miscutils/man.c b/miscutils/man.c
index edeffc776..f499fef62 100644
--- a/miscutils/man.c
+++ b/miscutils/man.c
@@ -112,7 +112,7 @@ int man_main(int argc UNUSED_PARAM, char **argv)
                         man_path_list[count_mp] = xstrdup(token[1]);
                         count_mp++;
                         /* man_path_list is NULL terminated */
-                        man_path_list[count_mp] = NULL;
+                        /*man_path_list[count_mp] = NULL; - xrealloc_vector did it */
                 }
                 if (strcmp("MANSECT", token[0]) == 0) {
                         free(sec_list);