cpplint: Cleanup errors

Cleanup errors from upstream cpplint in preparation
for moving art's cpplint fork to upstream tip-of-tree cpplint.

Test: cd art && mm
Bug: 68951293
Change-Id: I15faed4594cbcb8399850f8bdee39d42c0c5b956
diff --git a/compiler/optimizing/loop_optimization.cc b/compiler/optimizing/loop_optimization.cc
index c672dae..69c5827 100644
--- a/compiler/optimizing/loop_optimization.cc
+++ b/compiler/optimizing/loop_optimization.cc
@@ -765,7 +765,7 @@
   vector_static_peeling_factor_ = 0;
   vector_dynamic_peeling_candidate_ = nullptr;
   vector_runtime_test_a_ =
-  vector_runtime_test_b_= nullptr;
+  vector_runtime_test_b_ = nullptr;
 
   // Phis in the loop-body prevent vectorization.
   if (!block->GetPhis().IsEmpty()) {