PIDeque bugs fixed

git-svn-id: svn://db.shs.com.ru/pip@27 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src/io/pifile.cpp

@@ -121,6 +121,13 @@ PIFile::PIFile(const PIString & path, PIIODevice::DeviceMode mode): PIIODevice(p
 }
 
 
+PIFile::PIFile(const PIFile & other) {
+	setPrecision(other.prec_);
+	setPath(other.path());
+	mode_ = other.mode_;
+}
+
+
 bool PIFile::openDevice() {
 	close();
 	PIString p = path();