sbuf: fix uclibc compilation error

Fixes build error

tvheadend-e06ffd87beff16103c47d6fa542df2374fca6fd3/src/sbuf.h:77:1:
 error: unknown type name 'ssize_t'; did you mean 'size_t'?
 ssize_t sbuf_read(sbuf_t *sb, int fd);

diff --git a/src/sbuf.h b/src/sbuf.h
index 78aa546b3b02854612ab167db70d10385e8eb837..d5aa53042aa7ea1794de4a915d3a836f1ebc06ae 100644 (file)
--- a/src/sbuf.h
+++ b/src/sbuf.h
@@ -23,6 +23,7 @@
 #include <stddef.h>
 #include <stdio.h>
 #include <stdint.h>
+#include <unistd.h>
 
 /**
  * Simple dynamically growing buffer