include/linux/types.h: use fixed width types without double-underscore prefix

This header file is not exported.  It is safe to reference types without
double-underscore prefix.

Link: http://lkml.kernel.org/r/1526350925-14922-3-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Lihao Liang <lianglihao@huawei.com>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/linux/types.h

@@ -10,14 +10,14 @@
 #define DECLARE_BITMAP(name,bits) \
 	unsigned long name[BITS_TO_LONGS(bits)]
 
-typedef __u32 __kernel_dev_t;
+typedef u32 __kernel_dev_t;
 
 typedef __kernel_fd_set		fd_set;
 typedef __kernel_dev_t		dev_t;
 typedef __kernel_ino_t		ino_t;
 typedef __kernel_mode_t		mode_t;
 typedef unsigned short		umode_t;
-typedef __u32			nlink_t;
+typedef u32			nlink_t;
 typedef __kernel_off_t		off_t;
 typedef __kernel_pid_t		pid_t;
 typedef __kernel_daddr_t	daddr_t;
@@ -95,23 +95,23 @@ typedef unsigned long		ulong;
 #ifndef __BIT_TYPES_DEFINED__
 #define __BIT_TYPES_DEFINED__
 
-typedef		__u8		u_int8_t;
-typedef		__s8		int8_t;
-typedef		__u16		u_int16_t;
-typedef		__s16		int16_t;
-typedef		__u32		u_int32_t;
-typedef		__s32		int32_t;
+typedef u8			u_int8_t;
+typedef s8			int8_t;
+typedef u16			u_int16_t;
+typedef s16			int16_t;
+typedef u32			u_int32_t;
+typedef s32			int32_t;
 
 #endif /* !(__BIT_TYPES_DEFINED__) */
 
-typedef		__u8		uint8_t;
-typedef		__u16		uint16_t;
-typedef		__u32		uint32_t;
+typedef u8			uint8_t;
+typedef u16			uint16_t;
+typedef u32			uint32_t;
 
 #if defined(__GNUC__)
-typedef		__u64		uint64_t;
-typedef		__u64		u_int64_t;
-typedef		__s64		int64_t;
+typedef u64			uint64_t;
+typedef u64			u_int64_t;
+typedef s64			int64_t;
 #endif
 
 /* this is a special 64bit data type that is 8-byte aligned */