XKBGeom.c:118:27: warning: Assigned value is always the same as the existing value
    for (key=row->keys,pos=k=0;k<row->num_keys;k++,key++) {
                       ~~~^~~~
XKBGeom.c:115:5: warning: Value stored to 'pos' is never read
    pos= 0;
    ^    ~

Found-by: clang static analyzer
Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
Backported-to-NX-by: Ulrich Sibiller <uli42@gmx.de>