spamassassin: add patches for newer Net::DNS versions.

srcpkgs/spamassassin/patches/net-dns-1.01-compat-uribl.patch

@@ -0,0 +1,27 @@
+--- lib/Mail/SpamAssassin/Plugin/URIDNSBL.pm	2015/04/28 20:36:05	1676616
++++ lib/Mail/SpamAssassin/Plugin/URIDNSBL.pm	2015/08/04 23:16:38	1694126
+@@ -942,9 +942,8 @@
+     next unless (defined($str) && defined($dom));
+     dbg("uridnsbl: got($j) NS for $dom: $str");
+ 
+-    if ($str =~ /IN\s+NS\s+(\S+)/) {
+-      my $nsmatch = lc $1;
+-      $nsmatch =~ s/\.$//;
++    if ($rr->type eq 'NS') {
++      my $nsmatch = lc $rr->nsdname;  # available since at least Net::DNS 0.14
+       my $nsrhblstr = $nsmatch;
+       my $fullnsrhblstr = $nsmatch;
+ 
+@@ -1025,9 +1024,9 @@
+     }
+     dbg("uridnsbl: complete_a_lookup got(%d) A for %s: %s", $j,$hname,$str);
+ 
+-    local $1;
+-    if ($str =~ /IN\s+A\s+(\S+)/) {
+-      $self->lookup_dnsbl_for_ip($pms, $ent->{obj}, $1);
++    if ($rr->type eq 'A') {
++      my $ip_address = $rr->rdatastr;
++      $self->lookup_dnsbl_for_ip($pms, $ent->{obj}, $ip_address);
+     }
+   }
+ }

srcpkgs/spamassassin/patches/net-dns-1.01-compat.patch

@@ -0,0 +1,14 @@
+https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7223
+
+--- lib/Mail/SpamAssassin/DnsResolver.pm	2015/07/20 18:23:18	1691991
++++ lib/Mail/SpamAssassin/DnsResolver.pm	2015/07/20 18:24:48	1691992
+@@ -592,6 +592,9 @@
+   };
+ 
+   if ($packet) {
++    # RD flag needs to be set explicitly since Net::DNS 1.01, Bug 7223	
++    $packet->header->rd(1);
++
+   # my $udp_payload_size = $self->{res}->udppacketsize;
+     my $udp_payload_size = $self->{conf}->{dns_options}->{edns};
+     if ($udp_payload_size && $udp_payload_size > 512) {

srcpkgs/spamassassin/template

@@ -1,7 +1,7 @@
 # Template file for 'spamassassin'
 pkgname=spamassassin
 version=3.4.1
-revision=3
+revision=4
 build_style=perl-module
 # Missing optional dependencies:
 #  Mail::SPF, Geo::IP, Razor2, Encode::Detect, Net::Patricia