Fix/remove some incorrect uses of the arrsize macro

Sources/Plasma/CoreLib/HeadSpin.h

@@ -239,6 +239,9 @@ inline double hsSwapEndianDouble(double dvalue)
 *
 ***/
 #define  arrsize(a)     (sizeof(a) / sizeof((a)[0]))
+/* TODO: Use this safer version when MSVC finally supports constexpr */
+//template <typename _T, size_t _Sz>
+//constexpr size_t arrsize(_T (&)[_Sz]) { return _Sz; }
 
 
 /****************************************************************************

Sources/Plasma/NucleusLib/pnAsyncCoreExe/Private/Win32/pnAceW32Dns.cpp

@@ -102,7 +102,9 @@ static void LookupProcess (Lookup * lookup, unsigned error) {
     in_addr const * const * const inAddr = (in_addr **) host.h_addr_list;
 
     // allocate a buffer large enough to hold all the addresses
-    size_t count = arrsize(inAddr);
+    size_t count = 0;
+    while (inAddr[count])
+        ++count;
     plNetAddress* addrs = new plNetAddress[count];
 
     // fill in address data

Sources/Plasma/PubUtilLib/plNetClientComm/plNetClientComm.cpp

@@ -561,20 +561,6 @@ static void INetAuthFileListRequestCallback (
     msg->Send();
 }
 
-//============================================================================
-static void INetCliAuthFileRequestCallback (
-    ENetError       result,
-    void *          param,
-    const wchar_t     filename[],
-    hsStream *      writer
-) {
-    plNetCommFileDownloadMsg * msg = new plNetCommFileDownloadMsg;
-    msg->result = result;
-    msg->writer = writer;
-    StrCopy(msg->filename, filename, arrsize(filename));
-    msg->Send();
-}
-
 //============================================================================
 static void INetCliGameJoinAgeRequestCallback (
     ENetError       result,