Update release docs

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@6748 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall-common/changelog.txt

@@ -6,6 +6,8 @@ Changes in 4.0.0 RC 1
 
 3)  Use optimized 'split' for faster compilation.
 
+4)  Validate host part in hosts file entry.
+
 Changes in 4.0.0 Beta 6
 
 1)  First step to adding compiler debugging facility.

Shorewall-common/releasenotes.txt

@@ -30,6 +30,10 @@ Problems corrected in 4.0.0 Beta 7.
     applications to fail when running through a bridge with
     'detectnets'.
 
+2)  Entries in the hosts file are now more carefully
+    validated. Previously, very obvious errors would result in run-time
+    errors.
+
 Other changes in Shorewall 4.0.0 RC 1.
 
 1)  The shorewall-perl RPM may no longer be installed under Shorewall

Shorewall-perl/Shorewall/Interfaces.pm

@@ -123,7 +123,7 @@ sub add_group_to_zone($$$$$)
 	    }
 	}
 
-	if ( $host =~ /^\+/ ) {
+	if ( substr( $host, 0, 1 ) eq '+' ) {
 	    fatal_error "Invalid ipset name ($host)" unless $host =~ /^\+[a-zA-Z]\w*$/;
 	} else {
 	    validate_host $host;