lxc: bump to 2.1.1

This is the first bugfix release for LXC 2.1. Full list of changes can
be found here:

https://linuxcontainers.org/lxc/news/

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

utils/lxc/patches/001-compile.patch

@@ -1,11 +0,0 @@
---- a/src/lxc/storage/overlay.c
-+++ b/src/lxc/storage/overlay.c
-@@ -747,7 +747,7 @@ int ovl_mkdir(const struct mntent *mntent, const struct lxc_rootfs *rootfs,
- 	char lxcpath[MAXPATHLEN];
- 	char **opts;
- 	int ret;
--	size_t arrlen, dirlen, i, len, rootfslen;
-+	size_t arrlen, i, len, rootfslen, dirlen = 0;
- 	int fret = -1;
- 	char *rootfs_dir = NULL, *rootfs_path = NULL, *upperdir = NULL,
- 	     *workdir = NULL;

utils/lxc/patches/003-compile.patch

@@ -1,6 +1,6 @@
 --- a/src/lxc/confile_utils.c
 +++ b/src/lxc/confile_utils.c
-@@ -690,7 +690,7 @@ bool parse_limit_value(const char **value, unsigned long *res)
+@@ -677,7 +677,7 @@
  	char *endptr = NULL;
  
  	if (strncmp(*value, "unlimited", sizeof("unlimited") - 1) == 0) {