Index: read.c
===================================================================
--- read.c	(revision 31443)
+++ read.c	(revision 31444)
@@ -660,9 +660,8 @@
 		return;
 	}
 
-	if (mirrored != 0) {
+	if (mirrored != 0)
 		rotbb = -rotbb;
-	}
 
 	{
 		rnd_coord_t cl = net_get_clearance(ctx, ly, nc, HKP_CLR_POLY2TRACE, tmp) * 2;