Bug 587280 - Intermittent failure in test_crypto_keypair.js | 1624 == 1644 [r=dolske a=npotb]

Check for both 1624 and 1644 length private keys.

--HG--
extra : rebase_source : 9deb4628ef4a60bec06a9adba93c6d77458e8b13

services/sync/tests/unit/test_crypto_keypair.js

@@ -24,7 +24,7 @@ function run_test() {
   do_check_true(!!pubKey);
   do_check_true(!!privKey);
   do_check_eq(pubKey.length, 392);
-  do_check_eq(privKey.length, 1644);
+  do_check_true(privKey.length == 1624 || privKey.length == 1644);
 
   // do some key wrapping
   var wrappedKey = cryptoSvc.wrapSymmetricKey(symKey, pubKey);