pvs fix warnings

git-svn-id: svn://db.shs.com.ru/pip@280 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src/core/pivariant.h

@@ -162,6 +162,8 @@ public:
 	//! Empty constructor, \a type() will be set to \a Invalid
 	PIVariant();
 
+    PIVariant(const PIVariant & v);
+
 	//! Constructs variant from string
 	PIVariant(const char * v) {initType(PIString(v));}