Changed dovecot to install development headers by default

mail/dovecot/dovecot.conf

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 # 
 # Filename: package/.../dovecot/dovecot.conf
-# Copyright (C) 2007 The OpenSDE Project
+# Copyright (C) 2007 - 2008 The OpenSDE Project
 # 
 # More information can be found in the files COPYING and README.
 # 
@@ -18,6 +18,9 @@ if [ $prefix_auto = 1 ] ; then
 	set_confopt
 fi
 
+# install development headers by default
+var_append confopt ' ' "--enable-header-install"
+
 # LDAP support
 if pkginstalled openldap ; then
 	pkgprefix -t openldap