[MIPS] signal: Move {restore,setup}_sigcontext prototypes to their user

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

arch/mips/kernel/signal-common.h

@@ -45,12 +45,6 @@ struct sigframe {
 
 #endif	/* !ICACHE_REFILLS_WORKAROUND_WAR */
 
-/*
- * handle hardware context
- */
-extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *);
-extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *);
-
 /*
  * Determine which stack to use..
  */

arch/mips/kernel/signal_n32.c

@@ -49,6 +49,10 @@
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
+extern int setup_sigcontext(struct pt_regs *, struct sigcontext __user *);
+extern int restore_sigcontext(struct pt_regs *, struct sigcontext __user *);
+
+
 /* IRIX compatible stack_t  */
 typedef struct sigaltstack32 {
 	s32 ss_sp;