update_engine: Run clang-format on payload_generator/

BUG=none
TEST=unittest

Change-Id: I00cafb1fc709d8f02119cb0058cfcb0b573ef25d
Reviewed-on: https://chromium-review.googlesource.com/1409927
Commit-Ready: Amin Hassani <[email protected]>
Tested-by: Amin Hassani <[email protected]>
Reviewed-by: Sen Jiang <[email protected]>
diff --git a/payload_generator/tarjan.cc b/payload_generator/tarjan.cc
index d99ae12..2d4ca31 100644
--- a/payload_generator/tarjan.cc
+++ b/payload_generator/tarjan.cc
@@ -52,15 +52,16 @@
   index_++;
   stack_.push_back(vertex);
   for (Vertex::EdgeMap::iterator it = (*graph)[vertex].out_edges.begin();
-       it != (*graph)[vertex].out_edges.end(); ++it) {
+       it != (*graph)[vertex].out_edges.end();
+       ++it) {
     Vertex::Index vertex_next = it->first;
     if ((*graph)[vertex_next].index == kInvalidIndex) {
       Tarjan(vertex_next, graph);
-      (*graph)[vertex].lowlink = min((*graph)[vertex].lowlink,
-                                     (*graph)[vertex_next].lowlink);
+      (*graph)[vertex].lowlink =
+          min((*graph)[vertex].lowlink, (*graph)[vertex_next].lowlink);
     } else if (base::ContainsValue(stack_, vertex_next)) {
-      (*graph)[vertex].lowlink = min((*graph)[vertex].lowlink,
-                                     (*graph)[vertex_next].index);
+      (*graph)[vertex].lowlink =
+          min((*graph)[vertex].lowlink, (*graph)[vertex_next].index);
     }
   }
   if ((*graph)[vertex].lowlink == (*graph)[vertex].index) {