Fix a warning message.

diff --git a/src/ATC/ATC.cxx b/src/ATC/ATC.cxx
index e8410583596ff9e3a62d315cf17a40c3568f302f..86055ff992ede3abf860b9787a2b08a47ca0aad5 100644 (file)
--- a/src/ATC/ATC.cxx
+++ b/src/ATC/ATC.cxx
@@ -31,6 +31,7 @@ void FGATC::AddPlane(string pid) {
 }
 
 int FGATC::RemovePlane() {
+    return 0;
 }
 
 void FGATC::SetDisplay() {