[flang-commits] [flang] [Flang][Doc] Fix trivial issues in HighLevelFIR.md (PR #72278)

[Kiran Chandramohan via flang-commits]

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@@ -1035,7 +1035,7 @@ HLFIR array assignment lowering pass:
     associated variables that are neither target nor pointers.
 -   Lower to assignment to loop:
 
-```HFLIR
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kiranchandramohan wrote:

Available lexers are here I think.
https://pygments.org/docs/lexers/

https://github.com/llvm/llvm-project/pull/72278