[IA64] kprobes arch consolidation build fix

ia64 named their handler kprobes_fault_handler while all other
arches used kprobe_fault_handler.  Change the function definition
and header declaration.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index 8233b3a..d03bf9f 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -117,7 +117,7 @@
 	unsigned short slot;
 };
 
-extern int kprobes_fault_handler(struct pt_regs *regs, int trapnr);
+extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
 extern int kprobe_exceptions_notify(struct notifier_block *self,
 				    unsigned long val, void *data);