Index: Source/Swig/include.c
--- Source/Swig/include.c.orig
+++ Source/Swig/include.c
@@ -287,7 +287,6 @@ int Swig_insert_file(const_String_or_char_ptr filename
   while ((nbytes = Read(f, buffer, 4096)) > 0) {
     Write(outfile, buffer, nbytes);
   }
-  fclose(f);
   return 0;
 }