File asterisk18-init-path.patch of Package asterisk

diff --git a/contrib/init.d/rc.redhat.asterisk b/contrib/init.d/rc.redhat.asterisk
index 45ea9bc..9c922b6 100755
--- a/contrib/init.d/rc.redhat.asterisk
+++ b/contrib/init.d/rc.redhat.asterisk
@@ -36,7 +36,7 @@
 #AST_CONFIG=__ASTERISK_ETC_DIR__
 
 # Installation directory
-AST_SBIN=__ASTERISK_SBIN_DIR__
+AST_SBIN=/usr/sbin
 
 # Source function library.
 . /etc/rc.d/init.d/functions