fix qmldump compile with external QT_PRIVATE_HEADERS

src/plugins/plugins.pro

@@ -39,7 +39,7 @@ contains(QT_CONFIG, declarative) {
 
     SUBDIRS += plugin_qmlprojectmanager
 
-    include(private_headers.pri)
+    include(../private_headers.pri)
     exists($${QT_PRIVATE_HEADERS}/QtDeclarative/private/qdeclarativecontext_p.h) {
         SUBDIRS += plugin_qmldesigner \
                    plugin_qmlinspector

src/plugins/qmldesigner/fxplugin/fxplugin.pro

 include(../../../../qtcreator.pri)
-include(../../private_headers.pri)
+include(../../../private_headers.pri)
 include(fxplugin.pri)
 include(plugindestdir.pri)

src/plugins/qmldesigner/qmldesignerplugin.pro

@@ -2,7 +2,7 @@ TEMPLATE = lib
 TARGET = QmlDesigner
 
 include(../../qtcreatorplugin.pri)
-include(../private_headers.pri)
+include(../../private_headers.pri)
 include(qmldesigner_dependencies.pri)
 include(../qmljseditor/qmljseditor.pri)
 

src/plugins/qmlinspector/qmlinspector.pro

@@ -4,7 +4,7 @@ TARGET = QmlInspector
 INCLUDEPATH += .
 DEPENDPATH += .
 
-include(../private_headers.pri)
+include(../../private_headers.pri)
 include(components/qmldebugger.pri)
 
 DEFINES += QMLINSPECTOR_LIBRARY

src/tools/qml/qmldump/qmldump.pro

@@ -14,5 +14,6 @@ TEMPLATE = app
 SOURCES += main.cpp
 
 include(../../../../qtcreator.pri)
+include(../../../private_headers.pri)
 DESTDIR = $$IDE_BIN_PATH
 include(../../../rpath.pri)