[network-manager-vpnc] helper: drop an unneeded check

[Lubomir Rintel <lkundrak src gnome org>]

commit 9d851379d9cc93615a8a57697ff4fc337bda2f74
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Tue Mar 8 14:36:33 2016 +0100

    helper: drop an unneeded check
    
    CID 59903 (#1 of 1): Unsigned compared against 0 (NO_EFFECT)
    unsigned_compare: This greater-than-or-equal-to-zero comparison of an
    unsigned value is always true. pfx >= 0UL.

 src/nm-vpnc-service-vpnc-helper.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/nm-vpnc-service-vpnc-helper.c b/src/nm-vpnc-service-vpnc-helper.c
index 0f9a901..7f43dc7 100644
--- a/src/nm-vpnc-service-vpnc-helper.c
+++ b/src/nm-vpnc-service-vpnc-helper.c
@@ -315,7 +315,7 @@ main (int argc, char *argv[])
 
                errno = 0;
                pfx = strtoul (tmp, NULL, 10);
-               if (pfx >= 0 && pfx <= 32 && errno == 0)
+               if (pfx <= 32 && errno == 0)
                        prefix = (guint32) pfx;
                netmask_found = TRUE;
        }