Added missing include

diff --git a/source/opts.h b/source/opts.h
index e686b62ffb46ceb8d0d06d37effd81cd1811fbf5..042ef828a9ee4d38f3ad06826bce9b9d4b9c4578 100755 (executable)
--- a/source/opts.h
+++ b/source/opts.h
@@ -7,6 +7,7 @@ extern "C" {
 
 #include <stdbool.h>
 #include <stddef.h>
+#include <stdio.h>
 
 typedef struct {
     char* name;