qmake: mark VCProjectSingleConfig as movable

Has a few too many fields for defining a member-swap
(which would be required to mark it shared).

Change-Id: Iecbeec9e60a9884cb4a984c58cb192918cef799d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

qmake/generators/win32/msvc_objectmodel.h

@@ -1007,6 +1007,7 @@ public:
     const VCFilter &filterByName(const QString &name) const;
     const VCFilter &filterForExtraCompiler(const QString &compilerName) const;
 };
+Q_DECLARE_TYPEINFO(VCProjectSingleConfig, Q_MOVABLE_TYPE);
 
 // Tree & Flat view of files --------------------------------------------------
 class VCFilter;