[nx-libs/el6] Define __global_ldflags if needed

[Orion Poplawski]

commit 7a9d1689706841d279550b58591e6cc032da328a
Author: Orion Poplawski <orion at cora.nwra.com>
Date:   Thu Sep 12 14:36:07 2013 -0600

    Define __global_ldflags if needed

 nx-libs.spec |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/nx-libs.spec b/nx-libs.spec
index bab937a..bd24262 100644
--- a/nx-libs.spec
+++ b/nx-libs.spec
@@ -1,4 +1,6 @@
+# _hardened_build not working for EL6, at least define __global_ldflags for now
 %global _hardened_build 1
+%{!?__global_ldflags: %global __global_ldflags -Wl,-z,relro -Wl,-z,now}
 
 Name:           nx-libs
 Version:        3.5.0.21