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-rw-r--r--sysdeps/s390/bits/byteswap.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/sysdeps/s390/bits/byteswap.h b/sysdeps/s390/bits/byteswap.h
index e91d4ccb8f..3ae6436bb3 100644
--- a/sysdeps/s390/bits/byteswap.h
+++ b/sysdeps/s390/bits/byteswap.h
@@ -1,5 +1,5 @@
 /* Macros to swap the order of bytes in integer values.  s390 version.
-   Copyright (C) 2000-2003, 2008, 2011, 2012 Free Software Foundation, Inc.
+   Copyright (C) 2000-2012 Free Software Foundation, Inc.
    Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
    This file is part of the GNU C Library.
 
@@ -27,7 +27,7 @@
 #define _BITS_BYTESWAP_H 1
 
 #define __bswap_constant_16(x) \
-     ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8))
+	((unsigned short int) ((((x) >> 8) & 0xff) | (((x) & 0xff) << 8)))
 
 /* Get __bswap_16.  */
 #include <bits/byteswap-16.h>