um: PTRACE_[GS]ETFPXREGS had been wired on the wrong subarch

It's 32bit-only, not 64bit-only...  And while we are at it, it's
set_fpxregs(), not set_fpregs()...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/um/sys-i386/ptrace.c

@@ -206,5 +206,17 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
 		    unsigned long addr, unsigned long data)
 {
-	return -EIO;
+	int ret = -EIO;
+	void __user *datap = (void __user *) data;
+
+	switch (request) {
+	case PTRACE_GETFPXREGS: /* Get the child FPU state. */
+		ret = get_fpxregs(datap, child);
+		break;
+	case PTRACE_SETFPXREGS: /* Set the child FPU state. */
+		ret = set_fpxregs(datap, child);
+		break;
+	}
+
+	return ret;
 }

arch/um/sys-x86_64/ptrace.c

@@ -178,17 +178,5 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
 long subarch_ptrace(struct task_struct *child, long request,
 		    unsigned long addr, unsigned long data)
 {
-	int ret = -EIO;
-	void __user *datap = (void __user *) data;
-
-	switch (request) {
-	case PTRACE_GETFPXREGS: /* Get the child FPU state. */
-		ret = get_fpregs(datap, child);
-		break;
-	case PTRACE_SETFPXREGS: /* Set the child FPU state. */
-		ret = set_fpregs(datap, child);
-		break;
-	}
-
-	return ret;
+	return -EIO;
 }