Added a clear of allocated Records and the cache's in flt::Registry to

prevent memory leaks and unneccesary references to model models remaining
beyond the scope of the loader.

src/osgPlugins/flt/Registry.cpp

@@ -1,4 +1,4 @@
-
+;
 #include <osg/Node>
 #include <osg/Group>
 #include <osg/Notify>
@@ -13,7 +13,6 @@
 
 using namespace flt;
 
-// static
 Registry* Registry::instance()
 {
     static Registry s_nodeFactory;
@@ -44,6 +43,7 @@ Record* Registry::getPrototype(const int opcode)
 
 }
 
+
 ///////////////////////////////////////////////////////////////////
 
 
@@ -80,3 +80,10 @@ FltFile* Registry::getFltFile(const std::string& name)
     return NULL;
 }
 
+void Registry::clearObjectCache()
+{
+    _textureMap.clear();
+    _fltFileMap.clear();
+    
+    _recordForFutureDeleteList.clear();
+}