[Analyzer] Fix clang::ento::taint::dumpTaint definition

[mantognini]

Summary

Ensure the definition is in the "taint" namespace, like its declaration.

[mantognini]

Ran wrong arc command...

clang/lib/StaticAnalyzer/Checkers/Taint.cpp

void taint::printTaint(ProgramStateRef State, raw_ostream &Out, const char *NL,
 
   if (!TM.isEmpty())
     Out << "Tainted symbols:" << NL;
 
   for (const auto &I : TM)
     Out << I.first << " : " << I.second << NL;
 }
 
-void dumpTaint(ProgramStateRef State) { printTaint(State, llvm::errs()); }
+void taint::dumpTaint(ProgramStateRef State) {
+  printTaint(State, llvm::errs());
+}
 
 ProgramStateRef taint::addTaint(ProgramStateRef State, const Stmt *S,
                                 const LocationContext *LCtx,
                                 TaintTagType Kind) {
   return addTaint(State, State->getSVal(S, LCtx), Kind);
 }
 
 ProgramStateRef taint::addTaint(ProgramStateRef State, SVal V,