strbuf.h: Include unistd.h.

Required for ssize_t on GCC 4.4.

diff --git a/src/include/utils/strbuf.h b/src/include/utils/strbuf.h
index 302cfdde4bb71839b94d86b47c57fe194b9647f2..31435497f6d9b0a77673b76b74fd46d9966f44f6 100644 (file)
--- a/src/include/utils/strbuf.h
+++ b/src/include/utils/strbuf.h
@@ -37,6 +37,7 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <unistd.h>
 
 #ifdef __cplusplus
 extern "C" {