libgo patch committed: add path to AIX certificate file

[Ian Lance Taylor]

This libgo patch by Tony Reix adds a patch to the AIX certificate
file.  Bootstrapped and ran Go testsuite on x86_64-pc-linux-gnu.
Committed to mainline.

Ian

Index: gcc/go/gofrontend/MERGE
===================================================================
--- gcc/go/gofrontend/MERGE     (revision 260097)
+++ gcc/go/gofrontend/MERGE     (working copy)
@@ -1,4 +1,4 @@
-290c93f08f4456f0552b0764e28573164e47f259
+572b19513766e9e5cc4aa8d984a89c93880726ba
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.
Index: libgo/go/crypto/x509/root_aix.go
===================================================================
--- libgo/go/crypto/x509/root_aix.go    (revision 260048)
+++ libgo/go/crypto/x509/root_aix.go    (working copy)
@@ -5,4 +5,6 @@
 package x509
 
 // Possible certificate files; stop after finding one.
-var certFiles []string
+var certFiles = []string{
+       "/var/ssl/certs/ca-bundle.crt",
+}