Fixed matching of empty version.
@@ -416,6 +416,10 @@ nxt_strvers_match(u_char *version, u_char *prefix, size_t length)
{
u_char next, last;
+ if (length == 0) {
+ return 1;
+ }
+
if (nxt_strncmp(version, prefix, length) == 0) {
next = version[length];
