Add missing build dependency: Qt4ProjectManager depends on QmlJSEditor.

Missing from 427f7754 which introduced
the dependency.

Reviewed-by: owolff

src/plugins/plugins.pro

@@ -121,6 +121,7 @@ plugin_qt4projectmanager.depends = plugin_texteditor
 plugin_qt4projectmanager.depends += plugin_projectexplorer
 plugin_qt4projectmanager.depends += plugin_cpptools
 plugin_qt4projectmanager.depends += plugin_cppeditor
+plugin_qt4projectmanager.depends += plugin_qmljseditor
 plugin_qt4projectmanager.depends += plugin_designer
 plugin_qt4projectmanager.depends += plugin_debugger