libmount: fix compiler warning [-Wsign-compare]

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libmount/src/cache.c b/libmount/src/cache.c
index 220a1465ef06d15e00e23a82d4316a70faa48078..34419cb6279d2d9907d1680d948f04bf9e275f8a 100644 (file)
--- a/libmount/src/cache.c
+++ b/libmount/src/cache.c
@@ -633,7 +633,7 @@ int test_read_tags(struct libmnt_test *ts, int argc, char *argv[])
 {
        char line[BUFSIZ];
        struct libmnt_cache *cache;
-       int i;
+       size_t i;
 
        cache = mnt_new_cache();
        if (!cache)