Autotools: fixed crash when opening any project

Passed ctor param ignored, field set to 0 and than called

Change-Id: I34d8be9b11826d21506d8c1b2732e25f64593798
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/autotoolsprojectmanager/autotoolsbuildsettingswidget.cpp

@@ -50,7 +50,7 @@ using namespace AutotoolsProjectManager::Internal;
 using namespace ProjectExplorer;
 
 AutotoolsBuildSettingsWidget::AutotoolsBuildSettingsWidget(AutotoolsBuildConfiguration *bc) :
-    m_buildConfiguration(0)
+    m_buildConfiguration(bc)
 {
     QFormLayout *fl = new QFormLayout(this);
     fl->setContentsMargins(0, 0, 0, 0);