diff -r 3b1da2848fc7 -r d3bac044e0f0 tools/designer/src/lib/shared/qdesigner_introspection.cpp
--- a/tools/designer/src/lib/shared/qdesigner_introspection.cpp	Fri Feb 19 23:40:16 2010 +0200
+++ b/tools/designer/src/lib/shared/qdesigner_introspection.cpp	Fri Mar 12 15:46:37 2010 +0200
@@ -63,7 +63,7 @@
 static inline QString charToQString(const char *c)
 {
     if (!c)
-        return QString::null;
+        return QString();
     return QString::fromUtf8(c);
 }