Fix a bug in the code of llvm-cxxdump in dumpArchive() when
iterating over an archive with object and non-object members that
would cause an Abort because to was not calling consumeError()
when the code was wanting to ignore a non-object file.

Found by Justin Bogner!

llvm-svn: 284867
diff --git a/llvm/tools/llvm-cxxdump/llvm-cxxdump.cpp b/llvm/tools/llvm-cxxdump/llvm-cxxdump.cpp
index c92d20d..518d414 100644
--- a/llvm/tools/llvm-cxxdump/llvm-cxxdump.cpp
+++ b/llvm/tools/llvm-cxxdump/llvm-cxxdump.cpp
@@ -502,7 +502,7 @@
         OS.flush();
         reportError(Arc->getFileName(), Buf);
       }
-      ChildOrErr.takeError();
+      consumeError(ChildOrErr.takeError());
       continue;
     }