translate_drawing: [nfc] use a bool for 'shift' for clearer intent

diff --git a/lib/common/postproc.c b/lib/common/postproc.c
index eec53409eb6e15754120298b3ffcc5ac7c1efa4c..9ef367d5729e8901095b4a63559c041bd32ed5dc 100644 (file)
--- a/lib/common/postproc.c
+++ b/lib/common/postproc.c
@@ -146,7 +146,7 @@ static void translate_drawing(graph_t * g)
 {
     node_t *v;
     edge_t *e;
-    int shift = Offset.x || Offset.y;
+    bool shift = Offset.x || Offset.y;
 
     if (!shift && !Rankdir)
        return;