FindKeypadVMod: check xkb is not NULL before dereference, not after

As found by cppcheck:

vmod.c:232:26: warning: Either the condition 'xkb' is redundant or there
  is possible null pointer dereference: xkb. [nullPointerRedundantCheck]
    name = XkbInternAtom(xkb->dpy, "NumLock", False);
                         ^
vmod.c:233:10: note: Assuming that condition 'xkb' is not redundant
    if ((xkb) && LookupVModIndex((XPointer) xkb, None, name, TypeInt, &rtrn))
         ^
vmod.c:232:26: note: Null pointer dereference
    name = XkbInternAtom(xkb->dpy, "NumLock", False);
                         ^

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

0 files changed, 0 insertions, 0 deletions