Suppress a boundary check warning

Bug: 6296965

When we enable boundary check in gcc 4.6, we get a compiler error in libxml
code. The xml code seems likely safe, however, to suppress the warning
we need to strengthen the check. We will report the issue to upstream
xml for best action.

Change-Id: Ib9670a994d741102a287a9efe079147047abd936
1 file changed