client: use correct standard library includes

cl_dll/ParticleBase.h

@@ -14,6 +14,7 @@
 #if !defined( __PARTICLEBASE_H_ )
 #define __PARTICLEBASE_H_
 
+#include <string.h> // memset
 #include <list>
 using namespace std;
 
@@ -155,4 +156,4 @@ private:
 
 extern CParticleSystemManager g_ParticleSystemManager;
 
-#endif
+#endif

cl_dll/hud_servers.cpp

@@ -12,7 +12,11 @@
 #include "hud_servers.h"
 #include "net_api.h"
 #include <string.h>
+#ifdef _WIN32
 #include <winsock.h>
+#else
+#include <arpa/inet.h>
+#endif
 
 static int	context_id;
 
@@ -1232,4 +1236,4 @@ void ServerPlayers( int server )
 	{
 		g_pServers->ServerPlayers( server );
 	}
-}
+}

cl_dll/parsebsp.cpp

@@ -16,6 +16,7 @@
 // parsebsp.cpp -> parse bsp entity information client side
 //		some of this code was graciously accepted from DMC_Teleporters.cpp
 //
+#include <string.h> // memset
 #include "extdll.h"
 #include "entity_state.h"
 #include "pm_defs.h"