[lld] [lld][macho][NFC] Factor count zeros into helper function (PR #161241)

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git-clang-format --diff origin/main HEAD --extensions cpp -- lld/MachO/SyntheticSections.cpp
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``````````diff
diff --git a/lld/MachO/SyntheticSections.cpp b/lld/MachO/SyntheticSections.cpp
index d38b6c9e0..5645d8a05 100644
--- a/lld/MachO/SyntheticSections.cpp
+++ b/lld/MachO/SyntheticSections.cpp
@@ -1723,7 +1723,7 @@ void CStringSection::writeTo(uint8_t *buf) const {
 // `A`, but ld64 will treat them as being 16-byte aligned with an offset of
 // `16 % A`.
 static uint8_t getStringPieceAlignment(const CStringInputSection *isec,
-                                     const StringPiece &piece) {
+                                       const StringPiece &piece) {
   return llvm::countr_zero(isec->align | piece.inSecOff);
 }
 

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https://github.com/llvm/llvm-project/pull/161241