It's only used as input to strchr to find the delimiters, never
written to.
Clears a bunch of gcc warnings of the form:
kdrive.c:323:2: warning: passing argument 2 of 'KdParseFindNext' discards qualifiers from pointer target type
kdrive.c:261:1: note: expected 'char *' but argument is of type 'const char *'
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Jamey Sharp <jamey@minilop.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>