[llvm] [JITlink][AArch32] Move function declaration from unittest to headers (PR #71621)

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git-clang-format --diff d79fff0abb5a8ae6f49f5e3fd4f31d65717c7a37 c5dc8d00e33fce0807df678f9d603478d82b96e0 -- llvm/include/llvm/ExecutionEngine/JITLink/ELF_aarch32.h llvm/include/llvm/ExecutionEngine/JITLink/aarch32.h llvm/unittests/ExecutionEngine/JITLink/AArch32Tests.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/unittests/ExecutionEngine/JITLink/AArch32Tests.cpp b/llvm/unittests/ExecutionEngine/JITLink/AArch32Tests.cpp
index 7735a68d01b4..3f08a4b95f07 100644
--- a/llvm/unittests/ExecutionEngine/JITLink/AArch32Tests.cpp
+++ b/llvm/unittests/ExecutionEngine/JITLink/AArch32Tests.cpp
@@ -7,8 +7,8 @@
 //===----------------------------------------------------------------------===//
 
 #include <llvm/BinaryFormat/ELF.h>
-#include <llvm/ExecutionEngine/JITLink/aarch32.h>
 #include <llvm/ExecutionEngine/JITLink/ELF_aarch32.h>
+#include <llvm/ExecutionEngine/JITLink/aarch32.h>
 
 #include "gtest/gtest.h"
 

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https://github.com/llvm/llvm-project/pull/71621