correct whitespace

Author: abhinavmehndiratta

src/DOT/Dot.jl

@@ -19,7 +19,7 @@ function savedot(io::IO, g::LightGraphs.AbstractGraph, gname::String = "")
     if isdir
         for u in LightGraphs.vertices(g)
             out_nbrs = LightGraphs.outneighbors(g, u)
-        length(out_nbrs) == 0 && continue
+            length(out_nbrs) == 0 && continue
             println(io, "\t" * string(u) * " -> {" * join(out_nbrs,',') * "}")
         end
     else