udhcpc: add -o "do not request options by default" switch

(by L. Gabriel Somlo <somlo AT cmu.edu>)

function                                             old     new   delta
udhcpc_main                                         2513    2554     +41
static.udhcpc_longopts                               226     247     +21
add_param_req_option                                 119     132     +13
packed_usage                                       23952   23964     +12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 87/0)               Total: 87 bytes

1 files changed, 1 insertions, 0 deletions

diff --git a/networking/udhcp/dhcpc.h b/networking/udhcp/dhcpc.h
index d0fde7302..c8acd4982 100644
--- a/networking/udhcp/dhcpc.h
+++ b/networking/udhcp/dhcpc.h
@@ -21,6 +21,7 @@ struct client_config_t {
         char release_on_quit;           /* Perform release on quit */
         char abort_if_no_lease;         /* Abort if no lease */
         char background_if_no_lease;    /* Fork to background if no lease */
+        char no_default_options;        /* Do not include default optins in request */
         const char *interface;          /* The name of the interface to use */
         char *pidfile;                  /* Optionally store the process ID */
         const char *script;             /* User script to run at dhcp events */