network: add missing include for BSDs

src/core/network/network.cpp:112:28: error: use of undeclared identifier 'SHUT_RD'
constexpr int SD_RECEIVE = SHUT_RD;
                           ^
src/core/network/network.cpp:113:25: error: use of undeclared identifier 'SHUT_WR'
constexpr int SD_SEND = SHUT_WR;
                        ^
src/core/network/network.cpp:114:25: error: use of undeclared identifier 'SHUT_RDWR'
constexpr int SD_BOTH = SHUT_RDWR;
                        ^
src/core/network/network.cpp:120:37: error: unknown type name 'in_addr'; did you mean 'in_addr_t'?
constexpr IPv4Address TranslateIPv4(in_addr addr) {
                                    ^~~~~~~
                                    in_addr_t
/usr/include/netdb.h:66:20: note: 'in_addr_t' declared here
typedef __uint32_t      in_addr_t;
                        ^
src/core/network/network.cpp:121:27: error: member reference base type 'in_addr_t' (aka 'unsigned int') is not a structure or union
    const u32 bytes = addr.s_addr;
                      ~~~~^~~~~~~
src/core/network/network.cpp:121:15: error: variables defined in a constexpr function must be initialized
    const u32 bytes = addr.s_addr;
              ^
src/core/network/network.cpp:126:10: error: incomplete result type 'sockaddr' in function definition
sockaddr TranslateFromSockAddrIn(SockAddrIn input) {
         ^
/usr/include/netdb.h:142:9: note: forward declaration of 'sockaddr'
        struct  sockaddr *ai_addr;      /* binary address */
                ^
src/core/network/network.cpp:127:5: error: unknown type name 'sockaddr_in'; did you mean 'sockaddr'?
    sockaddr_in result;
    ^~~~~~~~~~~
    sockaddr
/usr/include/netdb.h:142:9: note: 'sockaddr' declared here
        struct  sockaddr *ai_addr;      /* binary address */
                ^
src/core/network/network.cpp:127:17: error: variable has incomplete type 'sockaddr'
    sockaddr_in result;
                ^
/usr/include/netdb.h:142:9: note: forward declaration of 'sockaddr'
        struct  sockaddr *ai_addr;      /* binary address */
                ^
src/core/network/network.cpp:131:29: error: use of undeclared identifier 'AF_INET'
        result.sin_family = AF_INET;
                            ^
src/core/network/network.cpp:135:29: error: use of undeclared identifier 'AF_INET'
        result.sin_family = AF_INET;
                            ^
src/core/network/network.cpp:139:23: error: use of undeclared identifier 'htons'
    result.sin_port = htons(input.portno);
                      ^
src/core/network/network.cpp:143:14: error: variable has incomplete type 'sockaddr'
    sockaddr addr;
             ^
/usr/include/netdb.h:142:9: note: forward declaration of 'sockaddr'
        struct  sockaddr *ai_addr;      /* binary address */
                ^
src/core/network/network.cpp:156:1: error: unknown type name 'linger'
linger MakeLinger(bool enable, u32 linger_value) {
^
src/core/network/network.cpp:157:5: error: unknown type name 'linger'
    linger value;
    ^
src/core/network/network.cpp:185:16: error: use of undeclared identifier 'AF_INET'
        return AF_INET;
               ^
src/core/network/network.cpp:195:16: error: use of undeclared identifier 'SOCK_STREAM'
        return SOCK_STREAM;
               ^
src/core/network/network.cpp:197:16: error: use of undeclared identifier 'SOCK_DGRAM'
        return SOCK_DGRAM;
               ^
src/core/network/network.cpp:207:16: error: use of undeclared identifier 'IPPROTO_TCP'
        return IPPROTO_TCP;
               ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]

src/core/network/network.cpp

@@ -15,7 +15,9 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
+#include <netinet/in.h>
 #include <poll.h>
+#include <sys/socket.h>
 #include <unistd.h>
 #else
 #error "Unimplemented platform"