Handle #1529: add automatic linkage against ws2_32.lib on _WIN32 targets

src/sock.c

@@ -13,6 +13,7 @@
 #define MG_SOCK_ERRNO WSAGetLastError()
 #ifndef SO_EXCLUSIVEADDRUSE
 #define SO_EXCLUSIVEADDRUSE ((int) (~SO_REUSEADDR))
+#pragma comment(lib, "ws2_32.lib")
 #endif
 #elif MG_ARCH == MG_ARCH_FREERTOS_TCP
 #define MG_SOCK_ERRNO errno