fix more unit tests (syntax)

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/CanonicalizedSecretKey.java

@@ -292,4 +292,9 @@ public class CanonicalizedSecretKey extends CanonicalizedPublicKey {
         return mPrivateKey;
     }
 
+    // HACK, for TESTING ONLY!!
+    PGPSecretKey getSecretKey() {
+        return mSecretKey;
+    }
+
 }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpKeyOperation.java

@@ -1283,7 +1283,7 @@ public class PgpKeyOperation {
 
     }
 
-    private static PGPSignatureGenerator getSignatureGenerator(
+    static PGPSignatureGenerator getSignatureGenerator(
             PGPSecretKey secretKey, CryptoInputParcel cryptoInput) {
 
         PGPContentSignerBuilder builder;