Explicit template instantiations should end up on the global scope.

Fixes: http://savannah.cern.ch/bugs/?100449


git-svn-id: http://root.cern.ch/svn/root/trunk@48618 27541ba8-7e3a-0410-8455-c3a389f83636

interpreter/cling/lib/Interpreter/Interpreter.cpp

@@ -550,6 +550,8 @@ namespace cling {
         return false;
       if (keyword.equals("namespace"))
         return false;
+      if (keyword.equals("template"))
+        return false;
     }
     else if (kind == tok::hash) {
       WrapLexer.Lex(Tok);