Provide compatibility with both Qt 4 and Qt 5.

This mostly only requires header changes. Classes are also
now forward declared wherever possible.

Change-Id: I0ba19e2e1364b475280aebe93185b71afd2af1e2
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/examples/macunifiedtoolbar/main.cpp b/examples/macunifiedtoolbar/main.cpp
index f39720b..417792a 100644
--- a/examples/macunifiedtoolbar/main.cpp
+++ b/examples/macunifiedtoolbar/main.cpp
@@ -41,6 +41,7 @@
 
 #include "qtmacunifiedtoolbar.h"
 #include <QApplication>
+#include <QWidget>
 
 int main(int argc, char **argv)
 {