um: unify ptrace_user.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/arch/x86/um/user-offsets.c b/arch/x86/um/user-offsets.c
index 88d1255..ca49be8 100644
--- a/arch/x86/um/user-offsets.c
+++ b/arch/x86/um/user-offsets.c
@@ -36,6 +36,7 @@
 	DEFINE(HOST_FS, FS);
 	DEFINE(HOST_ES, ES);
 	DEFINE(HOST_GS, GS);
+	DEFINE(HOST_ORIG_AX, ORIG_EAX);
 #else
 	DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
 	DEFINE_LONGS(HOST_BX, RBX);
@@ -53,7 +54,7 @@
 	DEFINE_LONGS(HOST_R13, R13);
 	DEFINE_LONGS(HOST_R14, R14);
 	DEFINE_LONGS(HOST_R15, R15);
-	DEFINE_LONGS(HOST_ORIG_RAX, ORIG_RAX);
+	DEFINE_LONGS(HOST_ORIG_AX, ORIG_RAX);
 	DEFINE_LONGS(HOST_CS, CS);
 	DEFINE_LONGS(HOST_SS, SS);
 	DEFINE_LONGS(HOST_EFLAGS, EFLAGS);