Patch: gdb/hppa-tdep.c fix compilation.

[rdbrown@mira.net]

Fix compilation of hppa-tdep.c and remove implicit declarations.

1213/gdb/hppa-tdep.c: In function `hppa_pop_frame':
1213/gdb/hppa-tdep.c:1607:\
 incompatible type for argument 2 of `set_momentary_breakpoint'
1213/gdb/hppa-tdep.c: In function `hppa_fix_call_dummy':
1213/gdb/hppa-tdep.c:2296: warning:\
 implicit declaration of function `som_solib_get_solib_by_pc'
1213/gdb/hppa-tdep.c: In function `hppa_prepare_to_proceed':
1213/gdb/hppa-tdep.c:4640: warning:\
 implicit declaration of function `hppa_switched_threads'

2002-12-15  Rodney Brown  <rbrown64@csc.com.au>

	* hppa-tdep.c: Prototype som_solib_get_solib_by_pc,
		hppa_switched_threads.
	(hppa_pop_frame): null_frame_id in set_momemtary_breakpoint.

--- /home/rdb/gdb+dejagnu-20021208/gdb/hppa-tdep.c	2002-12-15 17:31:09.000000000 +1100
+++ ./hppa-tdep.c	2002-12-15 14:29:21.000000000 +1100
@@ -146,7 +146,9 @@ int hppa_cannot_store_register (int regn
 CORE_ADDR hppa_frame_args_address (struct frame_info *fi);
 CORE_ADDR hppa_frame_locals_address (struct frame_info *fi);
 CORE_ADDR hppa_smash_text_address (CORE_ADDR addr);
+pid_t hppa_switched_threads (pid_t pid);
 int hppa_coerce_float_to_double (struct type *formal, struct type *actual);
+CORE_ADDR som_solib_get_solib_by_pc (CORE_ADDR addr);
 
 typedef struct
   {
@@ -1604,7 +1606,7 @@ hppa_pop_frame (void)
          for "return_command" will print the frame we returned to.  */
       sal = find_pc_line (target_pc, 0);
       sal.pc = target_pc;
-      breakpoint = set_momentary_breakpoint (sal, NULL, bp_finish);
+      breakpoint = set_momentary_breakpoint (sal, null_frame_id, bp_finish);
       breakpoint->silent = 1;
 
       /* So we can clean things up.  */