IGATEFILES changes

makepanda/makepanda.py

@@ -4177,7 +4177,7 @@ if (PkgSkip("NAVIGATION") == 0):
   TargetAdd('libp3navigation.dll', opts=OPTS)
 
   OPTS=['DIR:panda/src/navigation']
-  IGATEFILES = ["config_navigation.h", "p3navigation_composite1.cxx"]
+  IGATEFILES=GetDirectoryContents('panda/src/navigation', ["*.h", "*_composite*.cxx"])
   TargetAdd('libp3navigation.in', opts=OPTS, input=IGATEFILES)
   TargetAdd('libp3navigation.in', opts=['IMOD:panda3d.navigation', 'ILIB:libp3navigation', 'SRCDIR:panda/src/navigation'])
 

panda/src/navigation/navMesh.cxx

@@ -16,7 +16,7 @@
 #include "geom.h"
 #include "geomTrifans.h"
 
-TypedWritableReferenceCount NavMesh::_type_handle;
+TypeHandle NavMesh::_type_handle;
 
 NavMesh::NavMesh() {