Fix build, missing spaces around =/<.

(cherry picked from commit 1a12858eb15a14788478c4aca82c052bc84fcafa)

Change-Id: Id2d276cd1fb8bb95c46ff5ceacc7cfe1f5acf192
diff --git a/runtime/class_linker.cc b/runtime/class_linker.cc
index e0fa0f8..c8d1f50 100644
--- a/runtime/class_linker.cc
+++ b/runtime/class_linker.cc
@@ -3879,7 +3879,7 @@
         return false;
       }
       int len = super_class->GetVTableLength();
-      for (int i=0; i<len; i++) {
+      for (int i = 0; i < len; i++) {
         vtable->Set<false>(i, super_class->GetVTableEntry(i));
       }
     } else {