main/lxc: add init.lxc.static

this is needed for lxc-execute to work add libcap-static to makedepends fixes #10821 (closed)

main/lxc/APKBUILD

@@ -4,13 +4,14 @@
pkgname=lxc
pkgver=3.2.1
_pkgver=${pkgver/_rc/.rc}
-pkgrel=0
+pkgrel=1
pkgdesc="Userspace interface for the Linux kernel containment features"
url="https://linuxcontainers.org/lxc/"
arch="all"
license="GPL"
makedepends="
libcap-dev
+	libcap-static
libseccomp-dev
linux-pam-dev
linux-headers