veriexec: fix use of getopt

getopt(3) returns int type not char. Using char triggers the
-Wtautological-constant-out-of-range-compare warning with clang.
Change the type of the variable used for holding the return value
of getopt(3) to int to match the prototype and eliminate the warning.

MFC after:	1 week

1 files changed, 1 insertions, 2 deletions

diff --git a/sbin/veriexec/veriexec.c b/sbin/veriexec/veriexec.c
index 407100ab48f1..815aaae5e81b 100644
--- a/sbin/veriexec/veriexec.c
+++ b/sbin/veriexec/veriexec.c
@@ -140,8 +140,7 @@ main(int argc, char *argv[])
 {
 	long long converted_int;
 	uint32_t state;
-	char c;
-	int x;
+	int c, x;
 
 	if (argc < 2)
 		return (veriexec_usage());