Cleanup diff against upstream. Add comments

I did a `git diff --stat` against upstream and looked at all the files
that are outside of YJIT to come up with these minor changes.

1 files changed, 2 insertions, 2 deletions

diff --git a/vm_core.h b/vm_core.h
index 6fd24e962f..79aa22d3de 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -236,8 +236,8 @@ STATIC_ASSERT(sizeof_iseq_inline_constant_cache_entry,
 
 struct iseq_inline_constant_cache {
     struct iseq_inline_constant_cache_entry *entry;
-     // For YJIT: the index to the opt_getinlinecache instruction in the same iseq.
-     // It's set during compile time and constant once set.
+    // For YJIT: the index to the opt_getinlinecache instruction in the same iseq.
+    // It's set during compile time and constant once set.
     unsigned get_insn_idx;
 };