openbsd-file: make sure to install magic + fix on musl

srcpkgs/openbsd-file/patches/musl.patch

@@ -1,5 +1,5 @@
---- file.c.orig	2020-01-30 15:16:15.402746181 +0100
-+++ file.c	2020-01-30 15:16:29.514898212 +0100
+--- file.c
++++ file.c
 @@ -19,6 +19,7 @@
  #include <sys/types.h>
  #include <sys/mman.h>
@@ -8,3 +8,15 @@
  
  #include <err.h>
  #include <errno.h>
+--- seccomp-sandbox.c
++++ seccomp-sandbox.c
+@@ -109,6 +109,9 @@ static const struct sock_filter filt_insns[] = {
+ #ifdef __NR_write
+ 	SC_ALLOW(__NR_write),
+ #endif
++#ifdef __NR_writev
++	SC_ALLOW(__NR_writev),
++#endif
+ 
+ 	/* Default deny. */
+ 	BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_KILL),

srcpkgs/openbsd-file/template

@@ -1,7 +1,7 @@
 # Template file for 'openbsd-file'
 pkgname=openbsd-file
 version=6.2
-revision=1
+revision=2
 wrksrc="file-${version}"
 build_style=gnu-configure
 configure_args="--program-prefix=openbsd-"
@@ -22,5 +22,6 @@ pre_configure() {
 	autoreconf -fi
 }
 post_install() {
+	vinstall magic 444 /etc
 	vlicense LICENSE
 }