linux-user: Add aliases for some Alpha syscalls

Alpha always used 32-bit uids, but never renamed the syscalls
to match i386 when 32-bit uids were added there.  This enables
the proper bits in syscall.c.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
diff --git a/linux-user/alpha/syscall_nr.h b/linux-user/alpha/syscall_nr.h
index d3c19cc..7182223 100644
--- a/linux-user/alpha/syscall_nr.h
+++ b/linux-user/alpha/syscall_nr.h
@@ -411,3 +411,11 @@
 #define TARGET_NR_signalfd			476
 #define TARGET_NR_timerfd			477
 #define TARGET_NR_eventfd			478
+
+/* The following aliases are defined in order to match up with the
+   standard i386 syscalls implemented in syscalls.c.  */
+#define TARGET_NR_chown32	TARGET_NR_chown
+#define TARGET_NR_setuid32	TARGET_NR_setuid
+#define TARGET_NR_setgid32	TARGET_NR_setgid
+#define TARGET_NR_setfsuid32	TARGET_NR_setfsuid
+#define TARGET_NR_setfsgid32	TARGET_NR_setfsgid