tsort.c: fix include of common.h Signed-off-by: schu <schu-github@schulog.org>
diff --git a/src/tsort.c b/src/tsort.c
index bf8bff9..14b15c2 100644
--- a/src/tsort.c
+++ b/src/tsort.c
@@ -1,4 +1,5 @@
-#include <common.h>
+
+#include "common.h"
/**
* An array-of-pointers implementation of Python's Timsort