Reflect change in where FreeBSD perl port installs things.

clientside/lib/event/perlvers.pl

 #!/usr/bin/perl -w
 #
-# Copyright (c) 2006 University of Utah and the Flux Group.
+# Copyright (c) 2006, 2013 University of Utah and the Flux Group.
 # 
 # {{{EMULAB-LICENSE
 # 
@@ -34,4 +34,13 @@ foreach my $p (@INC) {
 	exit(0);
     }
 }
+#
+# Around mid-2013 FreeBSD started installing into X.X rather than X.X.X
+#
+foreach my $p (@INC) {
+    if ($p =~ /perl5\/(\d+\.\d+)\//) {
+	print "$1";
+	exit(0);
+    }
+}
 exit(1);

clientside/lib/event/perlvers.pl.orig

+#!/usr/bin/perl -w
+#
+# Copyright (c) 2006 University of Utah and the Flux Group.
+# 
+# {{{EMULAB-LICENSE
+# 
+# This file is part of the Emulab network testbed software.
+# 
+# This file is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or (at
+# your option) any later version.
+# 
+# This file is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public
+# License for more details.
+# 
+# You should have received a copy of the GNU Affero General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+# 
+# }}}
+#
+
+use English;
+
+#
+# A silly little script to figure out what version of perl is running
+# so we can find headers for the swig generated goo.
+#
+foreach my $p (@INC) {
+    if ($p =~ /perl5\/(\d+\.\d+\.\d+)\//) {
+	print "$1";
+	exit(0);
+    }
+}
+exit(1);