From d59c57717e2856edd907bdebfe36bafaa128bb5d Mon Sep 17 00:00:00 2001
From: Torsten Dreyer <torsten@t3r.de>
Date: Wed, 19 Mar 2014 17:24:52 +0100
Subject: [PATCH] Don't allow call with no Filter set. Leads to crash.

---
 src/Navaids/positioned.hxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Navaids/positioned.hxx b/src/Navaids/positioned.hxx
index 2d51e463a..012edb0b1 100644
--- a/src/Navaids/positioned.hxx
+++ b/src/Navaids/positioned.hxx
@@ -181,13 +181,13 @@ public:
     Type mMinType, mMaxType;
   };
   
-  static FGPositionedList findWithinRange(const SGGeod& aPos, double aRangeNm, Filter* aFilter = NULL);
+  static FGPositionedList findWithinRange(const SGGeod& aPos, double aRangeNm, Filter* aFilter);
   
   static FGPositionedList findWithinRangePartial(const SGGeod& aPos, double aRangeNm, Filter* aFilter, bool& aPartial);
         
   static FGPositionedRef findClosestWithIdent(const std::string& aIdent, const SGGeod& aPos, Filter* aFilter = NULL);
 
-  static FGPositionedRef findFirstWithIdent(const std::string& aIdent, Filter* aFilter = NULL);
+  static FGPositionedRef findFirstWithIdent(const std::string& aIdent, Filter* aFilter);
 
   /**
    * Find all items with the specified ident