gzip: Fix aarch64 build

packages/gzip/zip.c.patch

@@ -0,0 +1,31 @@
+Re-ordering the headers in the below patch fixes aarch64
+compilation, due to gzip.h defining
+
+#  define head (prev+WSIZE) 
+
+and <asm/sigcontext.h> using
+
+struct fpsimd_context {
+	struct _aarch64_ctx head;
+	/* ... */
+}
+
+diff -u -r ../gzip-1.6/zip.c ./zip.c
+--- ../gzip-1.6/zip.c	2013-02-01 23:39:13.000000000 -0500
++++ ./zip.c	2016-01-03 19:37:00.603075562 -0500
+@@ -20,12 +20,12 @@
+ #include <config.h>
+ #include <ctype.h>
+ 
+-#include "tailor.h"
+-#include "gzip.h"
+-
+ #include <unistd.h>
+ #include <fcntl.h>
+ 
++#include "tailor.h"
++#include "gzip.h"
++
+ local ulg crc;       /* crc on uncompressed file data */
+ off_t header_bytes;   /* number of bytes in gzip header */
+