Writing wrong file name on Linux

[nicvac]

Hi,
thank you for your lib. Very useful!
Issue:
unzipper.extractEntry( "file1.txt", "/tmp" );

Writes a file called /tmp\file1.txt
instead of writing file1.txt in path /tmp

Hi think the problem is here:
./unzipper.cpp: std::string outputFile = destination.empty() ? name : destination + "\" + name;

[Lecrapouille]

Is the patch made on the develop branch fixes your case (until adding unit/non regression tests) ?