[Polly][DCE] clang-format DeadCodeElimination.h. NFC.

The targets polly-update-format and check-polly-format process new files
only after running cmake again. This is why it was missed in the last
commit.

GitOrigin-RevId: 40653c8bb92c358137045e5610a713a9e00f6c14
diff --git a/include/polly/DeadCodeElimination.h b/include/polly/DeadCodeElimination.h
index 6d71bcf..044bc2a 100644
--- a/include/polly/DeadCodeElimination.h
+++ b/include/polly/DeadCodeElimination.h
@@ -10,7 +10,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-
 #ifndef POLLY_DEADCODEELIMINATION_H
 #define POLLY_DEADCODEELIMINATION_H
 
@@ -28,10 +27,10 @@
 struct DeadCodeElimPass : llvm::PassInfoMixin<DeadCodeElimPass> {
   DeadCodeElimPass() {}
 
-  llvm::PreservedAnalyses run(Scop &S, ScopAnalysisManager &SAM,                              ScopStandardAnalysisResults &SAR, SPMUpdater &U);
+  llvm::PreservedAnalyses run(Scop &S, ScopAnalysisManager &SAM,
+                              ScopStandardAnalysisResults &SAR, SPMUpdater &U);
 };
 
-
 } // namespace polly
 
 namespace llvm {