Fix include for WIN32 version.

bindings/java/src/core-jni.cc

@@ -30,7 +30,12 @@
 #include <stdio.h>  // for printf
 #include <stdlib.h> // for calloc
 #include <string.h> // for strcmp
+#ifdef WIN32
+#undef usleep
+#define usleep(var) Sleep(var/1000)
+#else
 #include <unistd.h> // for usleep
+#endif
 
 /* JVLC internal imports, generated by gcjh */
 #include "../includes/JVLC.h"