Add perl-sgmls as a make‐dependency

.SRCINFO

@@ -1,15 +1,16 @@
 # Generated by mksrcinfo v8
-# Wed Jan 17 11:53:11 UTC 2018
+# Thu Jan 18 01:01:25 UTC 2018
 pkgbase = jigdo
 	pkgdesc = Distribute large images by sending and receiving the files that make them up
 	pkgver = 0.7.3
-	pkgrel = 6
+	pkgrel = 7
 	url = http://atterer.org/jigdo/
 	arch = i686
 	arch = x86_64
 	license = GPL2
 	makedepends = docbook-utils
 	makedepends = docbook-sgml
+	makedepends = perl-sgmls
 	depends = db
 	depends = wget
 	source = http://atterer.org/sites/atterer/files/2009-08/jigdo/jigdo-0.7.3.tar.bz2

PKGBUILD

@@ -2,13 +2,13 @@
 
 pkgname=jigdo
 pkgver=0.7.3
-pkgrel=6
+pkgrel=7
 pkgdesc="Distribute large images by sending and receiving the files that make them up"
 arch=('i686' 'x86_64')
 url="http://atterer.org/jigdo/"
 license=('GPL2')
 depends=('db' 'wget')
-makedepends=('docbook-utils' 'docbook-sgml')
+makedepends=('docbook-utils' 'docbook-sgml' 'perl-sgmls')
 source=("http://atterer.org/sites/atterer/files/2009-08/$pkgname/$pkgname-$pkgver.tar.bz2"
 	"00.richard_fixes.patch"
 	"01.hardening.patch"