000_pod.t: Add POD syntax checking

Standard Test::Pod testing.

scripts/Makefile.am

@@ -50,6 +50,7 @@ EXTRA_DIST = \
 	install-info.pl \
 	update-alternatives.pl \
 	changelog/debian.pl \
+	t/000_pod.t \
 	t/100_Dpkg_Version.t \
 	t/200_Dpkg_Shlibs.t \
 	t/200_Dpkg_Shlibs/symbols.fake-1 \

scripts/t/000_pod.t

@@ -0,0 +1,11 @@
+# -*- mode: cperl;-*-
+
+use Test::More;
+
+use strict;
+use warnings;
+
+eval "use Test::Pod 1.00";
+plan skip_all => "Test::Pod 1.00 required for testing POD" if $@;
+my @poddirs = ( $ENV{srcdir} || '.' );
+all_pod_files_ok( all_pod_files( @poddirs ) );