CPIO: fix generation of CRC in the copyout function

Signed-off-by: Stefano Babic <sbabic@denx.de>

recipes-extended/cpio/cpio_2.12.bbappend

@@ -0,0 +1,4 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/files:"
+
+SRC_URI += "file://0001-Wrong-CRC-with-ASCII-CRC-for-large-files.patch"
+

recipes-extended/cpio/files/0001-Wrong-CRC-with-ASCII-CRC-for-large-files.patch

@@ -0,0 +1,38 @@
+From 77ff5f1be394eb2c786df561ff37dde7f982ec76 Mon Sep 17 00:00:00 2001
+From: Stefano Babic <sbabic@denx.de>
+Date: Fri, 28 Jul 2017 13:20:52 +0200
+Subject: [PATCH] Wrong CRC with ASCII CRC for large files
+
+Due to signedness, the checksum is not computed when filesize is bigger
+a 2GB.
+
+Signed-off-by: Stefano Babic <sbabic@denx.de>
+---
+ src/copyout.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/src/copyout.c b/src/copyout.c
+index 1f0987a..727aeca 100644
+--- a/src/copyout.c
++++ b/src/copyout.c
+@@ -34,13 +34,13 @@
+    compute and return a checksum for them.  */
+ 
+ static uint32_t
+-read_for_checksum (int in_file_des, int file_size, char *file_name)
++read_for_checksum (int in_file_des, unsigned int file_size, char *file_name)
+ {
+   uint32_t crc;
+   char buf[BUFSIZ];
+-  int bytes_left;
+-  int bytes_read;
+-  int i;
++  unsigned int bytes_left;
++  unsigned int bytes_read;
++  unsigned int i;
+ 
+   crc = 0;
+ 
+-- 
+2.7.4
+