tests: internal: signv4: initialize variable
@@ -86,7 +86,7 @@ static struct request *http_request_create(char *request)
char *start;
char *end;
char *p;
- char *br;
+ char *br = NULL;
flb_sds_t tmp;
flb_sds_t key;
flb_sds_t val;
