psmisc: Fix musl build failure

As in procps, we just need to include <limits.h> for PATH_MAX.

(From OE-Core rev: 914c285de743af04b9dd1cd6436d6b672a4ddb09)

Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/psmisc/files/0002-Include-limits.h-for-PATH_MAX.patch

@@ -0,0 +1,29 @@
+From aa66afecd8ba9cc4139f25ab15ec315173413a7d Mon Sep 17 00:00:00 2001
+From: Paul Barker <paul@paulbarker.me.uk>
+Date: Wed, 20 Aug 2014 10:31:37 +0000
+Subject: [PATCH] Include <limits.h> for PATH_MAX
+
+When building against musl libc, PATH_MAX is defined in <limits.h>.
+
+Signed-off-by: Paul Barker <paul@paulbarker.me.uk>
+
+Upstream-status: Pending
+---
+ src/pstree.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/pstree.c b/src/pstree.c
+index 071e6c4..0d28260 100644
+--- a/src/pstree.c
++++ b/src/pstree.c
+@@ -41,6 +41,7 @@
+ #include <sys/types.h>
+ #include <sys/stat.h>
+ #include <sys/ioctl.h>
++#include <limits.h>
+ 
+ #include "i18n.h"
+ #include "comm.h"
+-- 
+2.0.4
+

meta/recipes-extended/psmisc/psmisc_22.21.bb

@@ -5,4 +5,6 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=0636e73ff0215e8d672dc4c32c317bb3"
 SRC_URI[md5sum] = "935c0fd6eb208288262b385fa656f1bf"
 SRC_URI[sha256sum] = "97323cad619210845b696d7d722c383852b2acb5c49b5b0852c4f29c77a8145a"
 
-SRC_URI += "file://0001-Typo-in-fuser-makes-M-on-all-the-time.patch"
+SRC_URI += "file://0001-Typo-in-fuser-makes-M-on-all-the-time.patch \
+            file://0002-Include-limits.h-for-PATH_MAX.patch \
+            "