uapi: Use __kernel_long_t in struct timex

x32 adjtimex system call is the same as x86-64 adjtimex system call,
which uses 64-bit integer for long in struct timex. But x32 long is
32 bit.  This patch replaces long in struct timex with __kernel_long_t.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Link: http://lkml.kernel.org/r/1388182464-28428-2-git-send-email-hjl.tools@gmail.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

include/uapi/linux/timex.h

@@ -63,27 +63,27 @@
  */
 struct timex {
 	unsigned int modes;	/* mode selector */
-	long offset;		/* time offset (usec) */
-	long freq;		/* frequency offset (scaled ppm) */
-	long maxerror;		/* maximum error (usec) */
-	long esterror;		/* estimated error (usec) */
+	__kernel_long_t offset;	/* time offset (usec) */
+	__kernel_long_t freq;	/* frequency offset (scaled ppm) */
+	__kernel_long_t maxerror;/* maximum error (usec) */
+	__kernel_long_t esterror;/* estimated error (usec) */
 	int status;		/* clock command/status */
-	long constant;		/* pll time constant */
-	long precision;		/* clock precision (usec) (read only) */
-	long tolerance;		/* clock frequency tolerance (ppm)
-				 * (read only)
-				 */
+	__kernel_long_t constant;/* pll time constant */
+	__kernel_long_t precision;/* clock precision (usec) (read only) */
+	__kernel_long_t tolerance;/* clock frequency tolerance (ppm)
+				   * (read only)
+				   */
 	struct timeval time;	/* (read only, except for ADJ_SETOFFSET) */
-	long tick;		/* (modified) usecs between clock ticks */
+	__kernel_long_t tick;	/* (modified) usecs between clock ticks */
 
-	long ppsfreq;           /* pps frequency (scaled ppm) (ro) */
-	long jitter;            /* pps jitter (us) (ro) */
+	__kernel_long_t ppsfreq;/* pps frequency (scaled ppm) (ro) */
+	__kernel_long_t jitter; /* pps jitter (us) (ro) */
 	int shift;              /* interval duration (s) (shift) (ro) */
-	long stabil;            /* pps stability (scaled ppm) (ro) */
-	long jitcnt;            /* jitter limit exceeded (ro) */
-	long calcnt;            /* calibration intervals (ro) */
-	long errcnt;            /* calibration errors (ro) */
-	long stbcnt;            /* stability limit exceeded (ro) */
+	__kernel_long_t stabil;            /* pps stability (scaled ppm) (ro) */
+	__kernel_long_t jitcnt; /* jitter limit exceeded (ro) */
+	__kernel_long_t calcnt; /* calibration intervals (ro) */
+	__kernel_long_t errcnt; /* calibration errors (ro) */
+	__kernel_long_t stbcnt; /* stability limit exceeded (ro) */
 
 	int tai;		/* TAI offset (ro) */