xbps: add uunshare patch

srcpkgs/xbps/patches/0001-fix-uunshare-args.patch

@@ -0,0 +1,12 @@
+diff --git a/bin/xbps-uunshare/main.c b/bin/xbps-uunshare/main.c
+index e4f7b647..36e8d39e 100644
+--- ./bin/xbps-uunshare/main.c
++++ ./bin/xbps-uunshare/main.c
+@@ -157,7 +157,7 @@ main(int argc, char **argv)
+        if (argc < 2)
+                usage(argv0);
+ 
+-       chrootdir = argv[-1];
++       chrootdir = argv[0];
+        cmd = argv[1];
+        cmdargs = argv + 1;

srcpkgs/xbps/template

@@ -1,7 +1,7 @@
 # Template file for 'xbps'
 pkgname=xbps
 version=0.52
-revision=2
+revision=3
 bootstrap=yes
 build_style=configure
 short_desc="The XBPS package system utilities"