busybox: Fix redirection of fd 0 in ash interactive

Backported change from the 1.16.1 ash patches.

Signed-off-by: Joshua Lock <josh@linux.intel.com>

meta/packages/busybox/busybox-1.15.3/ash_fix_redirection_of_fd_0.patch

@@ -0,0 +1,21 @@
+Fix redirection of fd 0 in scripts sourced from interactive ash
+
+Based on Busybox git 08d8b3cee1329d390f91bce419e2b4dadf484952 by
+Denys Vlasenko <vda.linux@googlemail.com>.
+
+Can be removed when we bump to 1.16.1 + patches or later
+
+JL 03/06/10
+Index: busybox-1.15.3/shell/ash.c
+===================================================================
+--- busybox-1.15.3.orig/shell/ash.c	2009-12-12 21:16:38.000000000 +0000
++++ busybox-1.15.3/shell/ash.c	2010-06-03 09:44:59.484647637 +0100
+@@ -5071,7 +5071,7 @@
+ 		return 0;
+ 	pf = g_parsefile;
+ 	while (pf) {
+-		if (fd == pf->fd) {
++		if (pf->fd > 0 && fd == pf->fd) {
+ 			return 1;
+ 		}
+ 		pf = pf->prev;

meta/packages/busybox/busybox_1.15.3.bb

@@ -1,15 +1,16 @@
 require busybox.inc
-PR = "2"
+PR = "3"
 
 SRC_URI = "\
   http://www.busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
-  file://udhcpscript.patch;patch=1 \
-  file://udhcpc-fix-nfsroot.patch;patch=1 \
-  file://B921600.patch;patch=1 \
-  file://get_header_tar.patch;patch=1 \
-  file://busybox-appletlib-dependency.patch;patch=1 \
-  file://0000-wget-no-check-certificate.patch;patch=1 \
-  file://run-parts.in.usr-bin.patch;patch=1 \
+  file://udhcpscript.patch \
+  file://udhcpc-fix-nfsroot.patch \
+  file://B921600.patch \
+  file://get_header_tar.patch \
+  file://busybox-appletlib-dependency.patch \
+  file://0000-wget-no-check-certificate.patch \
+  file://run-parts.in.usr-bin.patch \
+  file://ash_fix_redirection_of_fd_0.patch \
   file://find-touchscreen.sh \
   file://busybox-cron \
   file://busybox-httpd \
@@ -24,4 +25,4 @@ SRC_URI = "\
   file://defconfig \
 "
 
-EXTRA_OEMAKE += "V=1 ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_PREFIX}"
+EXTRA_OEMAKE += "V=1 ARCH=${TARGET_ARCH} CROSS_COMPILE=${TARGET_PREFIX}"