testing/ifplugd: fix mandir and add -doc subpkg

and let abuild autodetect libdaemon dependency

testing/ifplugd/APKBUILD

@@ -2,16 +2,16 @@
 # Maintainer:
 pkgname=ifplugd
 pkgver=0.28
-pkgrel=0
+pkgrel=1
 pkgdesc="ifplugd is a Linux daemon which will automatically configure your ethernet device when a cable is plugged in and automatically unconfigure it if the cable is pulled. This is useful on laptops with onboard network adapters, since it will only configure the interface when a cable is really connected."
 url="http://0pointer.de/lennart/projects/ifplugd"
 arch="all"
 license="GPL2"
-depends="libdaemon"
+depends=""
 depends_dev="libdaemon-dev"
 makedepends="$depends_dev"
 install=""
-subpackages=""
+subpackages="$pkgname-doc"
 source="http://0pointer.de/lennart/projects/ifplugd/ifplugd-$pkgver.tar.gz
 	$pkgname.initd"
 
@@ -32,7 +32,8 @@ build() {
 		./configure --prefix=/usr \
 		--sysconfdir=/etc \
 		--localstatedir=/var \
-        --disable-lynx \
+		--disable-lynx \
+		--mandir=/usr/share/man \
                 || return 1
         make || return 1
 }