1 files changed, 3 insertions, 1 deletions
diff --git a/lib/lib.c b/lib/lib.c
index a8ff70f..4b4bf73 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -3,5 +3,7 @@
  * moving something that flex treats as a library function into this
  * directory. */
 
-void do_nothing(){ return;}
+extern void do_nothing(void);
+
+void do_nothing(void){ return;}