[PATCH 4/4] restorecond: fix isspace() call to cast to unsigned

isspace() on a plain char argument is defined for negative values;
cast to unsigned char in the caller.

Signed-off-by: Stephen Smalley <[email protected]>
---
 restorecond/watch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/restorecond/watch.c b/restorecond/watch.c
index 18bd90db..4e3c382f 100644
--- a/restorecond/watch.c
+++ b/restorecond/watch.c
@@ -424,7 +424,7 @@ static void process_config(int fd, FILE *cfg)
 
 	while (getline(&line_buf, &len, cfg) > 0) {
 		char *buffer = line_buf;
-		while (isspace(*buffer))
+		while (isspace((unsigned char)*buffer))
 			buffer++;
 		if (buffer[0] == '#')
 			continue;
-- 
2.55.0