corrected some warnings

[blast.git] / FunctionalInterface.cpp

diff --git a/FunctionalInterface.cpp b/FunctionalInterface.cpp
index 495d60e9b7f31182ed924b7af34d5a4d56a66619..145b86a28dc9fab5f115443402f9a7530827cab3 100644 (file)
--- a/FunctionalInterface.cpp
+++ b/FunctionalInterface.cpp
@@ -101,7 +101,8 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
   */\r
   if (direction == Input) return false;\r
   if (iface->isReferenceInterface()) return false;\r
-  if (iface->getConnectedFrom() != NULL) return false;\r
+  ConnectedInterface* connIface = AI_TO_CON(iface);\r
+  if (connIface->getConnectedFrom() != NULL) return false;\r
   // first case: interface of blocks within the same group\r
   if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
 \r