tcl_tests: ca.try: Ignore openssl crl exit status for 'corrupted CRL' test

Older `openssl crl` exits with 0 in regard to verify no matter actual verify
status, newer `openssl crl` could exit with 1 on verify failure. Make the test
backward-compatible comparing only an output.

Fixes: #452
Signed-off-by: Vitaly Chikunov <[email protected]>

Author: vt-alt

tcl_tests/ca.try

@@ -88,8 +88,7 @@ test -skip {![file exists test.crl]} "Verifying CRL OK" {
 test -skip {![file exists test.crl]} "Verifying corrupted CRL" {
 	makeFile "badcrl.pem" [hackPem "\01\x1E" [getFile test.crl] "\01\0"]
 	grep verify [openssl "crl -in badcrl.pem -noout -CAfile $::test::ca/cacert.pem"]
-} 0 "verify failure
-"
+} -1 "verify failure"
 
 test "Verifying CA certificate" {
 	grep "(cacert.pem|error|OK)" [openssl "verify -CAfile $::test::ca/cacert.pem $::test::ca/cacert.pem"]