Remove whitespace at the end of episodes if there is any

tv_rename.cpp

@@ -140,6 +140,9 @@ std::vector< string > getEpisodeNames( const string &id, const string &season,
                             episodes.resize( index );
                         index--;
                         episodes[index] = toString( x["episodeName"].get<string>() );
+                        // some eps have whitespace at the end
+                        while( isspace( episodes[index].back() ) )
+                            episodes[index].pop_back();
                     }
                 }
             }