rtc: correct flags type

The values coming from the kernel are unsigned, ensure they are interpreted
that way.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/rtc.c b/rtc.c
index be59315..b83c1ef 100644
--- a/rtc.c
+++ b/rtc.c
@@ -52,7 +52,7 @@ int main(int argc, char **argv)
 	struct rtc_time tm;
 	struct rtc_wkalrm alm;
 	int fd, rc, cmd = 0;
-	int flags;
+	unsigned int flags;
 
 	if (argc < 2)
 		usage(argv[0]);