Fix possible memory leak when malloc() fails
tree955f0136a4a3d23c6289fed2a52262ca6142126e
-rw-r--r-- 3221 kqclient.c
-rw-r--r-- 3438 kqdir.c
-rw-r--r-- 1319 kqtimer.c
-rw-r--r-- 1056 netbsd-llist.c