blkpr: store return value of getopt_long in int

getopt_long returns an int. Don't try to store it in a char.

See #2538.

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>

diff --git a/sys-utils/blkpr.c b/sys-utils/blkpr.c
index e9b50ccd6443f748bbacd8127ce6a31dd0e244f4..90763db402ccebca5ec0b423fd38e8ceddfb5e77 100644 (file)
--- a/sys-utils/blkpr.c
+++ b/sys-utils/blkpr.c
@@ -242,7 +242,7 @@ static void __attribute__((__noreturn__)) usage(void)
 
 int main(int argc, char **argv)
 {
-       char c;
+       int c;
        char *path;
        uint64_t key = 0, oldkey = 0;
        int command = -1, type = -1, flag = 0;