[llvm-objdump] Use PRIx64 for output of ARM64_RELOC_ADDEND

llvm-svn: 310250
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 7b1e288..5799175 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -871,7 +871,7 @@
   uint64_t Val = O->getPlainRelocationSymbolNum(RE);
 
   if (O->getAnyRelocationType(RE) == MachO::ARM64_RELOC_ADDEND) {
-    fmt << format("0x%x", Val);
+    fmt << format("0x%0" PRIx64, Val);
     return;
   } else if (isExtern) {
     symbol_iterator SI = O->symbol_begin();