Simplify. NFC.

llvm-svn: 241458
diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index c5bccf97..990299b 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -199,9 +199,7 @@
 }
 
 bool relocAddressLess(RelocationRef a, RelocationRef b) {
-  uint64_t a_addr = a.getOffset();
-  uint64_t b_addr = b.getOffset();
-  return a_addr < b_addr;
+  return a.getOffset() < b.getOffset();
 }
 
 } // namespace llvm