Update beats to 1.2.2.

1.2.2

Affecting all Beats
- Fix race when multiple outputs access the same event with
  Logstash output manipulating event.
- Fix go-daemon (supervisor used in init scripts) hanging when
  executed over SSH.

Filebeat
- Improvements in registrar dealing with file rotation.

1.2.1

Affecting all Beats
- Require braces for environment variable expansion in config
  files
- Removed deprecation warning for the Redis output.

Topbeat
- Fixed name of the setting stats.proc to stats.process in the
  default configuration file.
- Fix issue with cpu.system_p being greater than 1 on Windows
- Add username to processes

beats/Makefile

@@ -1,7 +1,7 @@
 # $NetBSD$
 #
 
-DISTNAME=		beats-1.2.0
+DISTNAME=		beats-1.2.2
 CATEGORIES=		sysutils
 MASTER_SITES=		${MASTER_SITE_GITHUB:=elastic/}
 GITHUB_PROJECT=		beats

beats/distinfo

@@ -1,6 +1,6 @@
 $NetBSD$
 
-SHA1 (beats-1.2.0.tar.gz) = 245a77ad92253e101bb780bdae2567246d3df292
-RMD160 (beats-1.2.0.tar.gz) = f163cb7cb593c5ac899e45ffd85adf10d1b4aea1
-SHA512 (beats-1.2.0.tar.gz) = 4ebf90841e967a5d529b821ffc1a4dbd4c2601283a0537f04b80e32f46a7bb924fe09ce81b1b378b77bc53422d795b9f9d8ee6dce5cc4029aa28f102a9928e65
-Size (beats-1.2.0.tar.gz) = 9908147 bytes
+SHA1 (beats-1.2.2.tar.gz) = e74fac4538350da9f380e42c00fc7034c1cb8291
+RMD160 (beats-1.2.2.tar.gz) = 1484fefd8418f458b74b685d68a0b574f9dbc1ac
+SHA512 (beats-1.2.2.tar.gz) = 44682089b0f06c171672dbe3f5d41b8f5c3071dfc34a5a40fd0e329882b06d7c493b6fa99a1f88a220602bd794120a457fdd5139b95f67bc4f64704da4b6d347
+Size (beats-1.2.2.tar.gz) = 9918529 bytes