[supermin] Add link to bug about hardened build breaking static linking.

[Richard W.M. Jones]

commit 4212fecbab2672d0268110209033b5d611b760b0
Author: Richard W.M. Jones <rjones at redhat.com>
Date:   Sun Mar 15 10:33:46 2015 +0000

    Add link to bug about hardened build breaking static linking.

 supermin.spec | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/supermin.spec b/supermin.spec
index 66bb3e6..5be4f68 100644
--- a/supermin.spec
+++ b/supermin.spec
@@ -1,4 +1,5 @@
-# _hardened_build breaks building the static 'init' binary:
+# _hardened_build breaks building the static 'init' binary.
+# https://bugzilla.redhat.com/show_bug.cgi?id=1202091
 %undefine _hardened_build
 
 Summary:       Tool for creating supermin appliances