libblockdev: fix -devel dependencies.

srcpkgs/libblockdev/template

@@ -1,7 +1,7 @@
 # Template file for 'libblockdev'
 pkgname=libblockdev
 version=2.19
-revision=1
+revision=2
 build_style=gnu-configure
 hostmakedepends="pkg-config python3"
 makedepends="cryptsetup-devel device-mapper-devel dmraid-devel libbytesize-devel
@@ -18,7 +18,7 @@ conf_files="/etc/libblockdev/conf.d/10-lvm-dbus.cfg
  /etc/libblockdev/conf.d/00-default.cfg"
 
 libblockdev-devel_package() {
-	depends="libblockdev-${version}_${revision}"
+	depends="libblockdev-${version}_${revision} glib-devel"
 	short_desc+=" - development files"
 	pkg_install() {
 		vmove usr/include