ws snapshot signature changed in master - reason to branch 5.0

src/pattern.c

@@ -173,7 +173,7 @@ pattern2re(VRT_CTX, const char * restrict const path)
 {
 	struct vsb *regex;
 	const char *esc, *p, *end, *regex_errstr;
-	char *snap;
+	uintptr_t snap;
 	int end_anchor = 1, regex_erroffset;
 	vre_t *re;