Extraneous extern

[David S. Miller]

All the exported interfaces for dwarf2 unwind info are now declared in
tree.h (as I had recommended ;-), thus the following can be removed.

Thu Oct  2 14:21:36 1997  David S. Miller  <davem@tanya.rutgers.edu>

	* config/sparc/sparc.c (dwarf2out_cfi_label): Extern no longer
	needed.

*** config/sparc/sparc.c.~1~	Thu Oct  2 12:19:53 1997
--- config/sparc/sparc.c	Thu Oct  2 14:19:57 1997
***************
*** 113,122 ****
  
  static rtx find_addr_reg ();
  static void sparc_init_modes ();
- 
- #ifdef DWARF2_DEBUGGING_INFO
- extern char *dwarf2out_cfi_label ();
- #endif
  
  /* Option handling.  */
  
--- 113,118 ----