Fix: Warning about assigning false to pointer

Return a 0 pointer instead of false.

Change-Id: I8381e3e4a1cbac6f0c9e523ff177865a6886c76d
Reviewed-on: http://codereview.qt.nokia.com/344
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/plugins/genericprojectmanager/genericbuildconfiguration.cpp

@@ -178,7 +178,7 @@ BuildConfiguration *GenericBuildConfigurationFactory::create(ProjectExplorer::Ta
                           QString(),
                           &ok);
     if (!ok || buildConfigurationName.isEmpty())
-        return false;
+        return 0;
     GenericBuildConfiguration *bc = new GenericBuildConfiguration(target);
     bc->setDisplayName(buildConfigurationName);