compilation fixes for win32

.gitignore

+*.o
+*.lo
+*.la
+configure
+Makefile.in
+

include/ortp/port.h

@@ -119,7 +119,7 @@ int __ortp_thread_create(pthread_t *thread, pthread_attr_t *attr, void * (*routi
 #include <stdarg.h>
 #include <winsock2.h>
 #include <ws2tcpip.h>
-
+#include <io.h>
 
 #ifdef _MSC_VER
 #pragma push_macro("_WINSOCKAPI_")

src/port.c

@@ -241,7 +241,7 @@ int WIN_thread_create(ortp_thread_t *th, void *attr, void * (*func)(void *), voi
     thread_param_t *params=ortp_new(thread_param_t,1);
     params->func=func;
     params->arg=data;
-	*th=(HANDLE)_beginthreadex( NULL, 0, (LPTHREAD_START_ROUTINE)thread_starter, params, 0, NULL);
+	*th=(HANDLE)_beginthreadex( NULL, 0, thread_starter, params, 0, NULL);
 	return 0;
 }