Bump buidlroot version to 2018.02.6

bsp/buildroot/package/ngircd/0001-Fix-Get_error-usage.patch

@@ -0,0 +1,44 @@
+From 543f44bff8d56785dc13a74a14d4eaa96465bf05 Mon Sep 17 00:00:00 2001
+From: Bernd Kuhls <bernd.kuhls@t-online.de>
+Date: Wed, 13 Sep 2017 14:07:11 +0200
+Subject: [PATCH] Fix Get_error usage
+
+The usage of Get_Error is guarded by "ifdef h_errno" in this file, the
+definition of this function should follow the same rules.
+
+Fixes a build error when cross-compiling:
+https://github.com/ngircd/ngircd/issues/223
+
+Patch sent upstream: https://github.com/ngircd/ngircd/pull/240
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+---
+ src/ngircd/resolve.c | 5 +----
+ 1 file changed, 1 insertion(+), 4 deletions(-)
+
+diff --git a/src/ngircd/resolve.c b/src/ngircd/resolve.c
+index 32791901..e1903254 100644
+--- a/src/ngircd/resolve.c
++++ b/src/ngircd/resolve.c
+@@ -108,9 +108,7 @@ Resolve_Name( PROC_STAT *s, const char *Host, void (*cbfunc)(int, short))
+ 	return false;
+ } /* Resolve_Name */
+ 
+-
+-#if !defined(HAVE_GETADDRINFO) || !defined(HAVE_GETNAMEINFO)
+-#if !defined(WANT_IPV6) && defined(h_errno)
++#ifdef h_errno
+ static char *
+ Get_Error( int H_Error )
+ {
+@@ -128,7 +126,6 @@ Get_Error( int H_Error )
+ 	return "unknown error";
+ }
+ #endif
+-#endif
+ 
+ 
+ /* Do "IDENT" (aka "AUTH") lookup and append result to resolved_addr array */
+-- 
+2.11.0
+