Fix leaking of CMakeTools

Change-Id: I36d3d19cbd0bccc3ee74f8aae1622dbed22aa45a
Task-number: QTCREATORBUG-14727
Reviewed-by: Benjamin Zeller <benjamin.zeller@canonical.com>
Reviewed-by: Daniel Teske <daniel.teske@theqtcompany.com>

src/plugins/cmakeprojectmanager/cmaketoolmanager.cpp

@@ -216,6 +216,7 @@ CMakeToolManager::CMakeToolManager(QObject *parent) :
 CMakeToolManager::~CMakeToolManager()
 {
     delete d->m_writer;
+    qDeleteAll(d->m_cmakeTools);
     delete d;
     d = 0;
 }