stk: Minor style fix

diff --git a/src/stk.c b/src/stk.c
index 222d4ba..ac2e646 100644 (file)
--- a/src/stk.c
+++ b/src/stk.c
@@ -303,7 +303,7 @@ static char *dbus_apply_text_attributes(const char *text,
        const uint8_t *j = attr->attributes;
        const uint8_t *end = j + attr->len;
 
-       if (!text)
+       if (text == NULL)
                return NULL;
 
        if (attr->len & 3)