added include of sys/types.h (for ssize_t)

diff --git a/include/readln.h b/include/readln.h
index 3e52fc848c74653c25aa8995f87325b63389f94a..fb9eea9a7fad0224f9a75ee467013cdc070131c9 100644 (file)
--- a/include/readln.h
+++ b/include/readln.h
@@ -9,7 +9,7 @@
 #ifndef READLN_H
 #define READLN_H
 
-#include <unistd.h>
+#include <sys/types.h>
 
 ssize_t readln(int fd, char *buf, size_t bufsize);