Replace include guards with #pragma once

Change-Id: Icce9d191cc6cae89baf973e949dc0757d318d6ea
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/libs/3rdparty/cplusplus/ObjectiveCTypeQualifiers.h

@@ -1,9 +1,7 @@
-#ifndef CPLUSPLUS_OBJC_TYPEQUALIFIERS_H
-#define CPLUSPLUS_OBJC_TYPEQUALIFIERS_H
+#pragma once
 
 #include "CPlusPlusForwardDeclarations.h"
 
-
 namespace CPlusPlus {
 
 enum {
@@ -27,6 +25,3 @@ enum {
 CPLUSPLUS_EXPORT int classifyObjectiveCContextKeyword(const char *s, int n);
 
 } // namespace CPlusPlus
-
-
-#endif // CPLUSPLUS_OBJC_TYPEQUALIFIERS_H

src/libs/3rdparty/cplusplus/SafeMatcher.h

@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef CPLUSPLUS_SAFETYPEMATCHER_H
-#define CPLUSPLUS_SAFETYPEMATCHER_H
+#pragma once
 
 #include "Matcher.h"
 
@@ -56,5 +55,3 @@ private:
 };
 
 } // CPlusPlus namespace
-
-#endif // CPLUSPLUS_SAFETYPEMATCHER_H

src/plugins/qmldesigner/components/integration/designdocument.h

@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef DesignDocument_h
-#define DesignDocument_h
+#pragma once
 
 #include <model.h>
 #include <rewriterview.h>
@@ -155,6 +154,3 @@ private: // variables
 };
 
 } // namespace QmlDesigner
-
-
-#endif // DesignDocument_h

src/plugins/qmldesigner/components/integration/stackedutilitypanelcontroller.h

@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef StackedUtilityPanelController_h
-#define StackedUtilityPanelController_h
+#pragma once
 
 #include "utilitypanelcontroller.h"
 
@@ -55,5 +54,3 @@ private:
 };
 
 } // namespace QmlDesigner
-
-#endif // StackedUtilityPanelController_h

src/plugins/qmldesigner/components/integration/utilitypanelcontroller.h

@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef UtilityPanelController_h
-#define UtilityPanelController_h
+#pragma once
 
 #include <QObject>
 
@@ -47,5 +46,3 @@ protected:
 };
 
 } // namespace QmlDesigner
-
-#endif // UtilityPanelController_h

src/plugins/qmldesigner/components/propertyeditor/qmlanchorbindingproxy.h

@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef QmlAnchorBindingProxy_h
-#define QmlAnchorBindingProxy_h
+#pragma once
 
 #include <QObject>
 #include <modelnode.h>
@@ -248,6 +247,3 @@ private:
 
 } // namespace Internal
 } // namespace QmlDesigner
-
-
-#endif //QmlAnchorBindingProxy