QmlDesigner: Fix quotes for mac quick1 puppet

Task-number: QTCREATORBUG-12746
Change-Id: If749457cd5f9336f7b1708cd05ca073925177a3b
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

share/qtcreator/qml/qmlpuppet/qmlpuppet/qmlpuppet.pri

@@ -25,7 +25,7 @@ DEFINES -= QT_NO_CAST_FROM_ASCII
 OTHER_FILES += Info.plist
 macx {
     CONFIG -= app_bundle
-    QMAKE_LFLAGS += -sectcreate __TEXT __info_plist $$quote($$PWD/Info.plist)
+    QMAKE_LFLAGS += -sectcreate __TEXT __info_plist \"$$PWD/Info.plist\"
 } else {
     target.path  = $$QTC_PREFIX/bin
     INSTALLS    += target