net-analyzer/cutter: fix build on musl

Closes: https://bugs.gentoo.org/715994
Signed-off-by: Sam James <sam@gentoo.org>

net-analyzer/cutter/cutter-1.04.ebuild

@@ -15,6 +15,7 @@ KEYWORDS="amd64 ~ppc x86"
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-1.03-debian.patch
+	"${FILESDIR}"/${PN}-1.04-musl-if-ether.patch
 )
 
 src_prepare() {

net-analyzer/cutter/files/cutter-1.04-musl-if-ether.patch

@@ -0,0 +1,12 @@
+https://git.alpinelinux.org/aports/tree/main/cutter/musl-fix.patch
+https://bugs.gentoo.org/715994
+--- a/cutter.c
++++ b/cutter.c
+@@ -47,7 +47,6 @@
+ #include <linux/socket.h>
+ #include <linux/ip.h>
+ #include <linux/tcp.h>
+-#include <linux/if_ether.h>
+ #include <fcntl.h>
+ #include <netpacket/packet.h>
+ #include <net/ethernet.h>     /* the L2 protocols */