Avoid tmpfile().

- tmpfile() tries to create files in the C: root dir on Windows where users usually don't have access.
- tmpnam() uses the curent dir which doesn't seem to be a good idea either.
- tempnam(NULL,NULL) is supposed to be cleverer.

src/ar65/library.h

@@ -51,9 +51,6 @@
 /* Name of the library file */
 extern const char* LibName;
 
-/* File descriptor for the new library file */
-extern FILE*    NewLib;
-
 
 
 /*****************************************************************************/