use isxdigit() for checking if a character is a hexadecimal digit

diff --git a/transport.c b/transport.c
index 325f03e1eef97df296bb1cc9f7d2d33c218dde26..7ac0df21ead112b1e2b98117c13a5516d16a4bbd 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -117,7 +117,7 @@ static void insert_packed_refs(const char *packed_refs, struct ref **list)
                        return;
                }
 
-               if (hexval(buffer[0]) > 0xf)
+               if (!isxdigit(buffer[0]))
                        continue;
                len = strlen(buffer);
                if (len && buffer[len - 1] == '\n')