Actually fix the build.

expected.txt

@@ -1,17 +1,22 @@
 digraph godep {
-_0 [label="flag" style="filled" color="palegreen"];
-_1 [label="fmt" style="filled" color="palegreen"];
-_2 [label="github.com/kisielk/godepgraph" style="filled" color="paleturquoise"];
-_2 -> _0;
-_2 -> _1;
-_2 -> _3;
-_2 -> _4;
-_2 -> _5;
-_2 -> _6;
-_2 -> _7;
-_3 [label="go/build" style="filled" color="palegreen"];
-_4 [label="log" style="filled" color="palegreen"];
-_5 [label="os" style="filled" color="palegreen"];
-_6 [label="sort" style="filled" color="palegreen"];
-_7 [label="strings" style="filled" color="palegreen"];
+splines=ortho
+nodesep=0.4
+ranksep=0.8
+node [shape="box",style="rounded,filled"]
+edge [arrowsize="0.5"]
+"flag" [label="flag" color="palegreen" URL="https://godoc.org/flag" target="_blank"];
+"fmt" [label="fmt" color="palegreen" URL="https://godoc.org/fmt" target="_blank"];
+"github.com/kisielk/godepgraph" [label="github.com/kisielk/godepgraph" color="paleturquoise" URL="https://godoc.org/github.com/kisielk/godepgraph" target="_blank"];
+"github.com/kisielk/godepgraph" -> "flag";
+"github.com/kisielk/godepgraph" -> "fmt";
+"github.com/kisielk/godepgraph" -> "go/build";
+"github.com/kisielk/godepgraph" -> "log";
+"github.com/kisielk/godepgraph" -> "os";
+"github.com/kisielk/godepgraph" -> "sort";
+"github.com/kisielk/godepgraph" -> "strings";
+"go/build" [label="go/build" color="palegreen" URL="https://godoc.org/go/build" target="_blank"];
+"log" [label="log" color="palegreen" URL="https://godoc.org/log" target="_blank"];
+"os" [label="os" color="palegreen" URL="https://godoc.org/os" target="_blank"];
+"sort" [label="sort" color="palegreen" URL="https://godoc.org/sort" target="_blank"];
+"strings" [label="strings" color="palegreen" URL="https://godoc.org/strings" target="_blank"];
 }