sparc64: fix sparse warning in kgdb_64.c

Fix following warnings:
kgdb_64.c:114:18: warning: symbol 'smp_kgdb_capture_client' was not declared. Should it be static?
kgdb_64.c:161:17: warning: symbol 'kgdb_trap' was not declared. Should it be static?

Add proper prototypes
Signed-off-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/include/asm/kgdb.h

@@ -28,6 +28,9 @@ enum regnames {
 #define NUMREGBYTES		((GDB_CSR + 1) * 4)
 #else
 #define NUMREGBYTES		((GDB_Y + 1) * 8)
+
+struct pt_regs;
+asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs);
 #endif
 
 void arch_kgdb_breakpoint(void);

arch/sparc/kernel/kernel.h

@@ -41,6 +41,9 @@ void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *reg
 void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs);
 void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs);
 
+/* kgdb_64.c */
+void __irq_entry smp_kgdb_capture_client(int irq, struct pt_regs *regs);
+
 /* pci.c */
 int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask);
 

arch/sparc/kernel/kgdb_64.c

@@ -13,6 +13,8 @@
 #include <asm/ptrace.h>
 #include <asm/irq.h>
 
+#include "kernel.h"
+
 void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 {
 	struct reg_window *win;