Include unistd.h since sudo_compat.h uses gid_t.

diff --git a/lib/util/sha2.c b/lib/util/sha2.c
index 5cd79cf6eca31101604baa6d6577861d35f2dae2..8243b50a26d5af6403a957717c72bdbd95368f3e 100644 (file)
--- a/lib/util/sha2.c
+++ b/lib/util/sha2.c
@@ -57,6 +57,7 @@
 #else
 # include "compat/endian.h"
 #endif
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "compat/sha2.h"