[valadoc] libvaladoc: Fix broken nullchecks in parser.error & warning

[Florian Brosch <flobrosch src gnome org>]

commit c32b39c94f71e02e12611c412351410fee1a9ed4
Author: Florian Brosch <flo brosch gmail com>
Date:   Mon Jan 23 16:47:04 2012 +0100

    libvaladoc: Fix broken nullchecks in parser.error & warning

 src/libvaladoc/parser/parser.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/libvaladoc/parser/parser.vala b/src/libvaladoc/parser/parser.vala
index aaa6181..c4841c4 100755
--- a/src/libvaladoc/parser/parser.vala
+++ b/src/libvaladoc/parser/parser.vala
@@ -227,7 +227,7 @@ public class Valadoc.Parser : ParserCallback {
 	public void warning (Token? token, string message) {
 		string error_message;
 
-		if (token == null) {
+		if (token != null) {
 			error_message = message + ": " + token.to_pretty_string ();
 		} else {
 			error_message = message;
@@ -244,7 +244,7 @@ public class Valadoc.Parser : ParserCallback {
 	public void error (Token? token, string message) throws ParserError {
 		string error_message;
 
-		if (token == null) {
+		if (token != null) {
 			error_message = message + ": " + token.to_pretty_string ();
 		} else {
 			error_message = message;