localstatedir is set to be the /var directory, so use
it for the base of the vardbdir so it's properly relocatable.

Upstream-Status: Pending

Signed-off-by: Saul Wold <sgw@linux.intel.com>

Index: libc/Makeconfig
===================================================================
--- libc.orig/Makeconfig
+++ libc/Makeconfig
@@ -293,7 +293,7 @@ inst_sysconfdir = $(install_root)$(sysco
 
 # Directory for the database files and Makefile for nss_db.
 ifndef vardbdir
-vardbdir = /var/db
+vardbdir = $(localstatedir)/db
 endif
 inst_vardbdir = $(install_root)$(vardbdir)