unix: Add missing stdio.h header for readline.

dpgeorge · dpgeorge · commit 7c6c843965fa · 2014-05-07T15:33:15.000+01:00
diff --git a/unix/input.c b/unix/input.c
@@ -24,6 +24,7 @@
  * THE SOFTWARE.
  */
 
+#include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
