Fix MachO's getRelocationAdditionalInfo.

It was returning the loaded address of the section containing the relocation,
which really doesn't seem to be the intent of this function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179255 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Object/MachOObjectFile.cpp

@@ -512,6 +512,12 @@ error_code MachOObjectFileBase::getLibraryPath(DataRefImpl LibData,
   report_fatal_error("Needed libraries unimplemented in MachOObjectFileBase");
 }
 
+error_code MachOObjectFileBase::getRelocationAdditionalInfo(DataRefImpl Rel,
+                                                           int64_t &Res) const {
+  Res = 0;
+  return object_error::success;
+}
+
 
 /*===-- Miscellaneous -----------------------------------------------------===*/