io-careful: Fixed missing #include

diff --git a/ucw/io-careful.c b/ucw/io-careful.c
index b679f49f5bf565c1f08125a881ee1b36dd5dcacd..1bbb879bca5da692ce9bf5e292a924803d4f6fc5 100644 (file)
--- a/ucw/io-careful.c
+++ b/ucw/io-careful.c
@@ -11,6 +11,7 @@
 #include <ucw/lib.h>
 #include <ucw/io.h>
 
+#include <errno.h>
 #include <unistd.h>
 
 /*