qt4/input_manager.cpp: compile fix

diff --git a/modules/gui/qt4/input_manager.cpp b/modules/gui/qt4/input_manager.cpp
index ca884667c70c62929323098fbaaef711c9b8d1a0..16e853d624bf6d56feb95dfb7d44c8436304d85c 100644 (file)
--- a/modules/gui/qt4/input_manager.cpp
+++ b/modules/gui/qt4/input_manager.cpp
@@ -21,6 +21,8 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#include <assert.h>
+
 #include "input_manager.hpp"
 #include "dialogs_provider.hpp"
 #include "qt4.hpp"