ProtocolV2ParserTest: Fix typo in comment

Change-Id: I22b07179ba6e2517ae3e178c31fde20987cead34
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ProtocolV2ParserTest.java

@@ -136,7 +136,7 @@ public class ProtocolV2ParserTest {
 	}
 
 	/*
-	 * Succesful fetch with the basic core commands of the protocol.
+	 * Successful fetch with the basic core commands of the protocol.
 	 */
 	@Test
 	public void testFetchBasicArguments()