Moved some files

The moved files are not opensource.  I am working reorganizing this to make
it easier to distripute the "secret" source code in a provate github repo,
while sharing that code with the opensource repository.

P4:8312409

src/steamnetworkingsockets/certtool/steamnetworkingsockets_certtool.cpp

@@ -20,7 +20,7 @@
 #ifndef STEAMNETWORKINGSOCKETS_OPENSOURCE
 	#define CERTTOOL_ENABLE_SDR
 	#include <steamdatagram_tickets.h>
-	#include "../steamdatagram_internal.h"
+	#include "../sdr/steamdatagram_internal.h"
 	#include <steamdatagram_gamecoordinator.h>
 #endif
 

src/steamnetworkingsockets/clientlib/steamnetworkingsockets_connections.h

@@ -6,7 +6,7 @@
 
 #include "../steamnetworkingsockets_internal.h"
 #ifndef STEAMNETWORKINGSOCKETS_OPENSOURCE
-#include "../steamdatagram_internal.h"
+#include "../sdr/steamdatagram_internal.h"
 #include <steam/steamdatagram_tickets.h>
 #endif
 #include "../steamnetworking_statsutils.h"

src/steamnetworkingsockets/clientlib/steamnetworkingsockets_p2p.cpp

@@ -6,10 +6,10 @@
 #include "crypto.h"
 
 #ifdef STEAMNETWORKINGSOCKETS_ENABLE_SDR
-	#include "steamnetworkingsockets_sdr_p2p.h"
-	#include "steamnetworkingsockets_sdr_client.h"
+	#include "sdr/steamnetworkingsockets_sdr_p2p.h"
+	#include "sdr/steamnetworkingsockets_sdr_client.h"
 	#ifdef SDR_ENABLE_HOSTED_SERVER
-		#include "steamnetworkingsockets_sdr_hostedserver.h"
+		#include "sdr/steamnetworkingsockets_sdr_hostedserver.h"
 	#endif
 #endif
 

src/steamnetworkingsockets/steamnetworkingsockets_internal.h

@@ -72,7 +72,7 @@
 	#endif
 #endif
 #ifdef STEAMNETWORKINGSOCKETS_ENABLE_FAKEIP
-	#include "steamdatagram_fakeip.h"
+	#include "sdr/steamdatagram_fakeip.h"
 #endif
 
 // STEAMNETWORKINGSOCKETS_CAN_REQUEST_CERT: We have some ability to request a cert