src/java.desktop/share/native/libsplashscreen/giflib/gif_hash.h

@@ -29,10 +29,15 @@
 ******************************************************************************/
 
 #ifndef _GIF_HASH_H_
 #define _GIF_HASH_H_
 
+/** Begin JDK modifications to support building on Windows **/
+#ifndef _WIN32
+#include <unistd.h>
+#endif
+/** End JDK modifications to support building on Windows **/
 #include <stdint.h>
 
 #define HT_SIZE         8192    /* 12bits = 4096 or twice as big! */
 #define HT_KEY_MASK     0x1FFF  /* 13bits keys */
 #define HT_KEY_NUM_BITS 13      /* 13bits keys */