Include stdint.h to fix compile error.
diff --git a/jhead.h b/jhead.h
index 2f640dd..f12393b 100644
--- a/jhead.h
+++ b/jhead.h
@@ -14,6 +14,7 @@
 #include <time.h>
 #include <errno.h>
 #include <ctype.h>
+#include <stdint.h>
 
 //--------------------------------------------------------------------------