Don't check renegotiation_info in fuzzer mode.

Otherwise the fuzzer gets stuck at renegotiations.

Bug: 104
Change-Id: If37f9ab165d06e37bfc5c423fba35edaabed293b
Reviewed-on: https://boringssl-review.googlesource.com/17532
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/ssl/test/runner/handshake_server.go b/ssl/test/runner/handshake_server.go
index a29a812..3ad57cb 100644
--- a/ssl/test/runner/handshake_server.go
+++ b/ssl/test/runner/handshake_server.go
@@ -1161,6 +1161,9 @@
 			if c.config.Bugs.BadRenegotiationInfo {
 				serverExtensions.secureRenegotiation[0] ^= 0x80
 			}
+			if c.config.Bugs.BadRenegotiationInfoEnd {
+				serverExtensions.secureRenegotiation[len(serverExtensions.secureRenegotiation)-1] ^= 0x80
+			}
 		} else {
 			serverExtensions.secureRenegotiation = hs.clientHello.secureRenegotiation
 		}