bird3: add procd shellcheck exemptions

Signed-off-by: Packet Please <[email protected]>
(cherry picked from commit 4b9d333)

Author: pktpls

packages/bird3-babelpatch/files/bird.init

@@ -1,6 +1,13 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2010-2017 OpenWrt.org
 
+# Ignore a few shellchecks:
+# - SC2034: USE_PROCD, START, STOP appears unused
+# - SC3043: In POSIX sh, 'local' is undefined
+
+# shellcheck disable=SC2034
+# shellcheck disable=SC3043
+
 USE_PROCD=1
 START=70
 STOP=10