Move defer-requiring functions/macros out of libcommon
diff --git a/linux/unwind.c b/linux/unwind.c
index f684455..9519b4d 100644
--- a/linux/unwind.c
+++ b/linux/unwind.c
@@ -29,6 +29,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "honggfuzz.h"
 #include "libcommon/common.h"
 #include "libcommon/log.h"