Unbreak crypt() (fix bug #55439)

# If you want to remove static analyser messages, be my guest,
# but please run unit tests after

ext/standard/php_crypt_r.c

@@ -377,7 +377,7 @@ char * php_md5_crypt_r(const char *pw, const char *salt, char *out)
 	/* Now make the output string */
 	memcpy(passwd, MD5_MAGIC, MD5_MAGIC_LEN);
 	strlcpy(passwd + MD5_MAGIC_LEN, sp, sl + 1);
-	strlcat(passwd, "$", 1);
+	strcat(passwd, "$");
 
 	PHP_MD5Final(final, &ctx);