Fixes: Fixes mem leak in gdbmacrosbuildstep.

src/plugins/qt4projectmanager/gdbmacrosbuildstep.cpp

@@ -42,7 +42,7 @@ using namespace Qt4ProjectManager;
 using namespace Qt4ProjectManager::Internal;
 
 GdbMacrosBuildStep::GdbMacrosBuildStep(Qt4Project *project)
-    : BuildStep(project), m_project(project), m_configWidget(new GdbMacrosBuildStepConfigWidget)
+    : BuildStep(project), m_project(project)
 {
 }
 

src/plugins/qt4projectmanager/gdbmacrosbuildstep.h

@@ -55,7 +55,6 @@ public:
     virtual bool immutable() const;
 private:
     Qt4Project *m_project;
-    GdbMacrosBuildStepConfigWidget* m_configWidget;
     QString m_buildDirectory;
     QString m_qmake;
     QString m_buildConfiguration;