Fix segmentation fault when editing address not in address book (issue #615)

src/qt/editaddressdialog.cpp

@@ -113,3 +113,9 @@ QString EditAddressDialog::getAddress() const
 {
     return address;
 }
+
+void EditAddressDialog::setAddress(const QString &address)
+{
+    this->address = address;
+    ui->addressEdit->setText(address);
+}