fix bug in move constructor

lib/main/containers/pivector.h

@@ -48,7 +48,7 @@ public:
 		PIINTROSPECTION_CONTAINER_NEW(T, sizeof(T))
 		resize(piv_size, f);
 	}
-	inline PIVector(PIVector<T> && other): piv_data(other.piv_data), piv_size(other.piv_size), piv_rsize(other.piv_size) {
+	inline PIVector(PIVector<T> && other): piv_data(other.piv_data), piv_size(other.piv_size), piv_rsize(other.piv_rsize) {
 		other._reset();
 	}
 	inline virtual ~PIVector() {
@@ -69,8 +69,7 @@ public:
 	}
 
 	inline PIVector<T> & operator =(PIVector<T> && other) {
-		PIVector<T> moved(std::move(other));
-		swap(moved);
+		swap(other);
 		return *this;
 	}