build: tests/windows/cng-windows.c: fix implicit decleration of exit

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>

diff --git a/tests/windows/cng-windows.c b/tests/windows/cng-windows.c
index f435afb2c2a241c750ef01af7249fa6ef1a3c30f..e92f7b037e32d0c0502a708fb2fd13fb349e11a1 100644 (file)
--- a/tests/windows/cng-windows.c
+++ b/tests/windows/cng-windows.c
@@ -31,6 +31,8 @@
 
 #ifndef _WIN32
 
+#include <stdlib.h>
+
 void doit()
 {
        exit(77);