Send correct fatal alert the renegotation extension fails to match.

https://tools.ietf.org/html/rfc5746#section-3.4 says that
handshake_failure is the correct alert to send, but we were sending
illegal_parameter.

Change-Id: Ife951c5951f6f8e4c31a3f2f57307bfed1c24561
Reviewed-on: https://boringssl-review.googlesource.com/18408
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/ssl/test/runner/runner.go b/ssl/test/runner/runner.go
index c5f9971..a3d9139 100644
--- a/ssl/test/runner/runner.go
+++ b/ssl/test/runner/runner.go
@@ -7047,6 +7047,7 @@
 		flags:         []string{"-renegotiate-freely"},
 		shouldFail:    true,
 		expectedError: ":RENEGOTIATION_MISMATCH:",
+		expectedLocalError: "handshake failure",
 	})
 	testCases = append(testCases, testCase{
 		name:        "Renegotiate-Client-BadExt",
@@ -7060,6 +7061,7 @@
 		flags:         []string{"-renegotiate-freely"},
 		shouldFail:    true,
 		expectedError: ":RENEGOTIATION_MISMATCH:",
+		expectedLocalError: "handshake failure",
 	})
 	testCases = append(testCases, testCase{
 		name:        "Renegotiate-Client-BadExt2",
@@ -7073,6 +7075,7 @@
 		flags:         []string{"-renegotiate-freely"},
 		shouldFail:    true,
 		expectedError: ":RENEGOTIATION_MISMATCH:",
+		expectedLocalError: "handshake failure",
 	})
 	testCases = append(testCases, testCase{
 		name:        "Renegotiate-Client-Downgrade",
@@ -7086,6 +7089,7 @@
 		flags:         []string{"-renegotiate-freely"},
 		shouldFail:    true,
 		expectedError: ":RENEGOTIATION_MISMATCH:",
+		expectedLocalError: "handshake failure",
 	})
 	testCases = append(testCases, testCase{
 		name:        "Renegotiate-Client-Upgrade",
@@ -7099,6 +7103,7 @@
 		flags:         []string{"-renegotiate-freely"},
 		shouldFail:    true,
 		expectedError: ":RENEGOTIATION_MISMATCH:",
+		expectedLocalError: "handshake failure",
 	})
 	testCases = append(testCases, testCase{
 		name:        "Renegotiate-Client-NoExt-Allowed",