urlmon/tests: Fix missing void in empty parameter list.

dlls/urlmon/tests/misc.c

@@ -825,7 +825,7 @@ static void test_SecurityManager(void)
 
 /* Check if Internet Explorer is configured to run in "Enhanced Security Configuration" (aka hardened mode) */
 /* Note: this code is duplicated in dlls/mshtml/tests/dom.c, dlls/mshtml/tests/script.c and dlls/urlmon/tests/misc.c */
-static BOOL is_ie_hardened()
+static BOOL is_ie_hardened(void)
 {
     HKEY zone_map;
     DWORD ie_harden, type, size;