llvm-readobj: Handle invalid references to the string table.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242658 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-readobj/llvm-readobj.cpp

@@ -188,14 +188,14 @@ namespace opts {
 
 } // namespace opts
 
-static void reportError(Twine Msg) {
+namespace llvm {
+
+void reportError(Twine Msg) {
   outs() << Msg << "\n";
   outs().flush();
   exit(1);
 }
 
-namespace llvm {
-
 void error(std::error_code EC) {
   if (!EC)
     return;