Fixed item script for Glorious Holy Avenger. (bugreport:9244)

http://rathena.org/board/tracker/issue-9244-9-glorious-holy-avenger/

Script command 'preg_match' will throw a debug instead of an error if PCRE is not enabled.

Signed-off-by: Euphy <euphy.raliel@rathena.org>

src/map/script.c

@@ -19093,9 +19093,9 @@ BUILDIN_FUNC(preg_match) {
 
 	return SCRIPT_CMD_SUCCESS;
 #else
-	ShowError("script:preg_match: cannot run without PCRE library enabled.\n");
+	ShowDebug("script:preg_match: cannot run without PCRE library enabled.\n");
 	script_pushint(st,0);
-	return SCRIPT_CMD_FAILURE;
+	return SCRIPT_CMD_SUCCESS;
 #endif
 }