parse_cap(): fix possible off-by-one buffer overflow

Found by coverity, CID 996844:

	overrun-local: Overrunning array "cap_nm" of 128 bytes
	at byte offset 128 using index "len" (which evaluates to 128).

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed