um: don't bother blocking SIGARLM and SIGUSR1
authorAl Viro <viro@ftp.linux.org.uk>
Thu, 18 Aug 2011 19:04:19 +0000 (20:04 +0100)
committerRichard Weinberger <richard@nod.at>
Wed, 2 Nov 2011 13:14:55 +0000 (14:14 +0100)
We used to generate those, but we hadn't done that for a long
time.  No need to bother blocking them for signal handlers.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

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