Consistency issues in load_windows_system_library patch. Thanks Sebastian

src/common/util.c

@@ -2800,7 +2800,7 @@ load_windows_system_library(const TCHAR *library_name)
 {
   TCHAR path[MAX_PATH];
   unsigned n;
-  n = GetSystemDirectory(path, 1024);
+  n = GetSystemDirectory(path, MAX_PATH);
   if (n == 0 || n + _tcslen(library_name) + 2 >= MAX_PATH)
     return 0;
   _tcscat(path, TEXT("\\"));

src/or/eventdns.c

@@ -3131,7 +3131,6 @@ load_nameservers_with_getnetworkparams(void)
 	IP_ADDR_STRING *ns;
 	GetNetworkParams_fn_t fn;
 
-	/* XXXX Possibly, we should hardcode the location of this DLL. */
 	if (!(handle = load_windows_system_library(TEXT("iphlpapi.dll")))) {
 		log(EVDNS_LOG_WARN, "Could not open iphlpapi.dll");
 		/* right now status = 0, doesn't that mean "good" - mikec */

src/or/ntmain.c

@@ -138,7 +138,6 @@ nt_service_loadlibrary(void)
   if (service_fns.loaded)
     return;
 
-  /* XXXX Possibly, we should hardcode the location of this DLL. */
   if (!(library = load_windows_system_library(TEXT("advapi32.dll")))) {
     log_err(LD_GENERAL, "Couldn't open advapi32.dll.  Are you trying to use "
             "NT services on Windows 98? That doesn't work.");