SSH Agent: Fix invalid iqmp output for RSA keys

This fixes loading RSA keys to Pageant.

tests/TestOpenSSHKey.h

@@ -31,6 +31,7 @@ private slots:
     void testParse();
     void testParseDSA();
     void testParseRSA();
+    void testParseRSACompare();
     void testDecryptRSAAES128CBC();
     void testDecryptOpenSSHAES256CBC();
     void testDecryptRSAAES256CBC();