xbps: added patch from master branch to build on x86.

srcpkgs/xbps/patches/5917fc74041d8e063b4945967fffce9d40e5c107.patch

@@ -0,0 +1,28 @@
+commit 5917fc74041d8e063b4945967fffce9d40e5c107
+Author: Juan RP <xtraeme@gmail.com>
+Date:   Mon Jul 11 12:12:55 2011 +0200
+
+    xbps-repo: printf uint64_t with PRIu64.
+
+diff --git a/bin/xbps-repo/main.c b/bin/xbps-repo/main.c
+index a7ac504..5d61dc0 100644
+--- bin/xbps-repo/main.c
++++ bin/xbps-repo/main.c
+@@ -32,6 +32,7 @@
+ #include <limits.h>
+ #include <libgen.h>
+ #include <unistd.h>
++#include <inttypes.h>
+ 
+ #include <xbps_api.h>
+ #include "defs.h"
+@@ -59,7 +60,8 @@ repo_list_uri_cb(struct repository_pool_index *rpi, void *arg, bool *done)
+ 	prop_dictionary_get_cstring_nocopy(rpi->rpi_repod,
+ 	    "pkgindex-version", &pkgidx);
+ 	prop_dictionary_get_uint64(rpi->rpi_repod, "total-pkgs", &npkgs);
+-	printf("%s (index %s, %zu packages)\n", rpi->rpi_uri, pkgidx, npkgs);
++	printf("%s (index %s, " "%" PRIu64 " packages)\n",
++	    rpi->rpi_uri, pkgidx, npkgs);
+ 
+ 	return 0;
+ }