sparc32: use proper prototype for trapbase

This killed an extern ... in a .c file.
No functional change.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/kernel.h

@@ -127,6 +127,7 @@ extern unsigned int t_nmi[];
 extern unsigned int linux_trap_ipi15_sun4d[];
 extern unsigned int linux_trap_ipi15_sun4m[];
 
+extern struct tt_entry trapbase;
 extern struct tt_entry trapbase_cpu1;
 extern struct tt_entry trapbase_cpu2;
 extern struct tt_entry trapbase_cpu3;

arch/sparc/kernel/kgdb_32.c

@@ -12,10 +12,9 @@
 #include <asm/irq.h>
 #include <asm/cacheflush.h>
 
+#include "kernel.h"
 #include "entry.h"
 
-extern unsigned long trapbase;
-
 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
 	struct reg_window32 *win;

arch/sparc/kernel/setup_32.c

@@ -68,8 +68,6 @@ struct screen_info screen_info = {
  * prints out pretty messages and returns.
  */
 
-extern unsigned long trapbase;
-
 /* Pretty sick eh? */
 static void prom_sync_me(void)
 {
@@ -300,7 +298,7 @@ void __init setup_arch(char **cmdline_p)
 	int i;
 	unsigned long highest_paddr;
 
-	sparc_ttable = (struct tt_entry *) &trapbase;
+	sparc_ttable = &trapbase;
 
 	/* Initialize PROM console and command line. */
 	*cmdline_p = prom_getbootargs();