[PATCH] ppc32 compile fix

From: Tom Rini <trini@kernel.crashing.org>

The problem is that on PPC32 (and probably sparc64) 'asmlinkage' is a
useless keyword, and should just be removed from include/asm-ppc/unistd.h.

include/asm-ppc/unistd.h

@@ -415,7 +415,7 @@ int sys_vfork(int p1, int p2, int p3, int p4, int p5, int p6,
 int sys_pipe(int __user *fildes);
 int sys_ptrace(long request, long pid, long addr, long data);
 struct sigaction;
-asmlinkage long sys_rt_sigaction(int sig,
+long sys_rt_sigaction(int sig,
 		      const struct sigaction __user *act,
 		      struct sigaction __user *oact,
 		      size_t sigsetsize);