Fixed Issue #3972 Invalid regular expression in helo_access

Author: Till Brehm

install/tpl/helo_access.master

@@ -2,7 +2,7 @@
 # be sure to list your own hostname(s), domain(s) and IP address(es) here
 
 # Reject others identifying with this machine's hostnames and IP addresses
-/^{myhostname}$/  REJECT
+/^{$myhostname}$/  REJECT
 #/^((smtp|mx|mail)\.domain1\.com$/	REJECT
 #/^mail\.domain2\.com$/		REJECT