--- a/src/corelib/codecs/qtextcodec.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/corelib/codecs/qtextcodec.h	Tue Feb 02 00:43:10 2010 +0200
@@ -161,7 +161,7 @@
     QByteArray fromUnicode(const QString& str);
     QByteArray fromUnicode(const QChar *uc, int len);
 #ifdef QT3_SUPPORT
-    QByteArray fromUnicode(const QString& uc, int& lenInOut);
+    QT3_SUPPORT QByteArray fromUnicode(const QString& uc, int& lenInOut);
 #endif
     bool hasFailure() const;
 private: