Switch to side-by-side view

--- a/src/qtgui/spell_w.cpp
+++ b/src/qtgui/spell_w.cpp
@@ -22,6 +22,7 @@
 #include <unistd.h>
 
 #include <list>
+#include <stdio.h>
 
 #include <qmessagebox.h>
 #include <qpushbutton.h>