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From: Ngie Cooper <ngie@FreeBSD.org>
Date: Sat, 14 Jan 2017 04:13:28 +0000 (UTC)
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Subject: svn commit: r312112 - head/sys/kern
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Author: ngie
Date: Sat Jan 14 04:13:28 2017
New Revision: 312112
URL: https://svnweb.freebsd.org/changeset/base/312112

Log:
  Fix -Wunused on gcc 4.9 (x was set but not used)
  
  MFC after:	3 days
  Sponsored by:	Dell EMC Isilon

Modified:
  head/sys/kern/subr_unit.c

Modified: head/sys/kern/subr_unit.c
==============================================================================
--- head/sys/kern/subr_unit.c	Sat Jan 14 04:10:04 2017	(r312111)
+++ head/sys/kern/subr_unit.c	Sat Jan 14 04:13:28 2017	(r312112)
@@ -986,7 +986,7 @@ main(int argc, char **argv)
 	long count = 10000;	/* Number of unrs to test */
 	long reps = 1, m;
 	int ch;
-	u_int i, x, j;
+	u_int i, j;
 
 	verbose = false;
 
@@ -999,7 +999,7 @@ main(int argc, char **argv)
 				usage(argv);
 				exit(2);
 			}
-			
+
 			break;
 		case 'v':
 			verbose = true;
@@ -1026,7 +1026,6 @@ main(int argc, char **argv)
 	printf("sizeof(struct unrb) %zu\n", sizeof(struct unrb));
 	printf("sizeof(struct unrhdr) %zu\n", sizeof(struct unrhdr));
 	printf("NBITS %lu\n", (unsigned long)NBITS);
-	x = 1;
 	for (m = 0; m < count * reps; m++) {
 		j = random();
 		i = (j >> 1) % count;