UML - Remove include of asm/user.h

Index: linux-2.6.22/arch/um/os-Linux/sys-i386/registers.c
===================================================================
@@ -6,7 +6,7 @@
 
 #include <errno.h>
 #include <sys/ptrace.h>
-#include <asm/user.h>
+#include <sys/user.h>
 #include "kern_constants.h"
 #include "longjmp.h"
 #include "user.h"

@@ -76,7 +76,7 @@ int put_fp_registers(int pid, unsigned l
 
 void arch_init_registers(int pid)
 {
-	struct user_fxsr_struct fpx_regs;
+	struct user_fpxregs_struct fpx_regs;
 	int err;
 
 	err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs);