app-misc/mx5000tools: fix compilation with musl

Closes: https://bugs.gentoo.org/713738
Package-Manager: Portage-3.0.4, Repoman-3.0.1
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>

app-misc/mx5000tools/files/mx5000tools-0.1.2-musl.patch

@@ -0,0 +1,10 @@
+--- a/libmx5000/mx5000.c
++++ b/libmx5000/mx5000.c
+@@ -29,6 +29,7 @@
+ 
+ #include <asm/types.h>
+ #include <linux/hiddev.h>
++#include <linux/limits.h>
+ 
+ #include "libmx5000/mx5000.h"
+ 

app-misc/mx5000tools/mx5000tools-0.1.2-r1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -20,7 +20,10 @@ RDEPEND="
 DEPEND="${RDEPEND}"
 BDEPEND="virtual/pkgconfig"
 
-PATCHES=( "${FILESDIR}/${P}-find-netpbm-header.patch" )
+PATCHES=(
+	"${FILESDIR}/${P}-find-netpbm-header.patch"
+	"${FILESDIR}/${P}-musl.patch"
+)
 
 src_prepare() {
 	default