Removed the ReaderWriterFLY demo since it was causing OSX builds to crash when

running the osghangglide demo.

src/Demos/osghangglide/Makefile

@@ -6,7 +6,6 @@ CXXFILES =\
 	GliderManipulator.cpp\
 	osghangglide.cpp\
 	hat.cpp\
-	ReaderWriterFLY.cpp\
 	sky.cpp\
 	tank.cpp\
 	terrain.cpp\

src/Demos/osghangglide/ReaderWriterFLY.cpp

@@ -1,101 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-
-#include <osg/Geode>
-#include <osg/Group>
-#include <osg/Notify>
-
-#include <osgDB/FileNameUtils>
-#include <osgDB/Registry>
-
-using namespace osg;
-
-extern Node *makeTerrain( void );
-extern Node *makeTrees( void );
-extern Node *makeTank( void );
-extern Node *makeWindsocks( void );
-extern Node *makeGliders( void );
-extern Node *makeGlider( void );
-extern Node *makeSky( void );
-extern Node *makeBase( void );
-extern Node *makeClouds( void );
-
-static struct _nodes
-{
-    char *name;
-    Node *(*fptr)(void);
-}
-
-
-nodes[] =
-{
-    { "terrain", makeTerrain },
-    { "tank",    makeTank   },
-    { "sky",     makeSky       },
-    { "base",    makeBase       },
-    { "trees",   makeTrees   },
-    //    { "gliders", makeGliders   },
-    //    { "clouds",  makeClouds       },
-
-    { 0L, 0L }
-};
-
-class ReaderWriterFLY : public osgDB::ReaderWriter
-{
-    public:
-        virtual const char* className() { return "FLY Database Reader"; }
-
-        virtual bool acceptsExtension(const std::string& extension)
-        {
-            return osgDB::equalCaseInsensitive(extension,"fly");
-        }
-
-        virtual ReadResult readNode(const std::string& fileName,const osgDB::ReaderWriter::Options*)
-        {
-        
-            std::string ext = osgDB::getFileExtension(fileName);
-            if (!acceptsExtension(ext)) return ReadResult::FILE_NOT_HANDLED;
-
-            char buff[256];
-
-            notify(INFO)<<   "ReaderWriterFLY::readNode( "<<fileName.c_str()<<" )\n";
-
-            FILE *fp;
-
-            if( (fp = fopen( fileName.c_str(), "r" )) == (FILE *)0L )
-            {
-                notify(WARN)<<  "Unable to open file \""<<fileName.c_str()<<"\"\n";
-                return 0L;
-            }
-            Group *grp = new Group;
-
-            while( !feof( fp ) )
-            {
-                _nodes *nptr;
-                fgets( buff, sizeof( buff ), fp );
-                if( buff[0] == '#' )
-                    continue;
-
-                for( nptr = nodes; nptr->name; nptr ++ )
-                {
-                    if( !strncmp( buff, nptr->name, strlen( nptr->name ) ))
-                    {
-                        Node *node = nptr->fptr();
-                        node->setName( nptr->name );
-                        grp->addChild( node );
-                        break;
-                    }
-                }
-            }
-            fclose( fp );
-
-            return grp;
-
-        }
-
-};
-
-// now register with osgDB::Registry to instantiate the above
-// reader/writer.
-osgDB::RegisterReaderWriterProxy<ReaderWriterFLY> g_readerWriter_FLY_Proxy;
-