Added tqDebug/tqWarning/tqFatal functions that takes a QCString

argument. This fixes FTBFS of examples caused by previous ambiguous
call and solves bug 3021.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
(cherry picked from commit 300c4d2bd2)

src/tools/qglobal.cpp

@@ -582,6 +582,11 @@ void warning( const char *msg, ... )
     handle_buffer(buf, QtDebugMsg);
 }
 
+void qDebug( const QCString &s )
+{
+    qDebug(s.data());
+}
+
 void qWarning( const QString &msg )
 {
     char buf[QT_BUFFER_LENGTH];
@@ -612,6 +617,11 @@ void qWarning( const char *msg, ... )
     handle_buffer(buf, QtWarningMsg);
 }
 
+void qWarning( const QCString &s )
+{
+    qWarning(s.data());
+}
+
 void qFatal( const QString &msg )
 {
     char buf[QT_BUFFER_LENGTH];
@@ -677,6 +687,11 @@ void fatal( const char *msg, ... )
     handle_buffer(buf, QtFatalMsg);
 }
 
+void qFatal( const QCString &s )
+{
+    qWarning(s.data());
+}
+
 /*!
   \relates QApplication
 

src/tools/qglobal.h

@@ -751,6 +751,7 @@ typedef Q_UINT64		Q_ULLONG;	// unsigned long long
 // Data stream functions is provided by many classes (defined in qdatastream.h)
 //
 
+class QCString;
 class QDataStream;
 class QString;
 
@@ -974,6 +975,7 @@ Q_EXPORT int qWinVersion();
 
 
 Q_EXPORT void qDebug( const QString& );     // print debug message
+Q_EXPORT void qDebug( const QCString& );    // print debug message
 Q_EXPORT void qDebug( const char *, ... )    // print debug message
 #if defined(Q_CC_GNU) && !defined(__INSURE__)
     __attribute__ ((format (printf, 1, 2)))
@@ -981,13 +983,15 @@ Q_EXPORT void qDebug( const char *, ... )    // print debug message
 ;
 
 Q_EXPORT void qWarning( const QString& );   // print warning message
+Q_EXPORT void qWarning( const QCString& );  // print warning message
 Q_EXPORT void qWarning( const char *, ... )  // print warning message
 #if defined(Q_CC_GNU) && !defined(__INSURE__)
     __attribute__ ((format (printf, 1, 2)))
 #endif
 ;
 
-Q_EXPORT void qFatal( const QString& );	    // print fatal message and exit
+Q_EXPORT void qFatal( const QString& );     // print fatal message and exit
+Q_EXPORT void qFatal( const QCString& );    // print fatal message and exit
 Q_EXPORT void qFatal( const char *, ... )    // print fatal message and exit
 #if defined(Q_CC_GNU)
     __attribute__ ((format (printf, 1, 2)))