[bug-myserver] Bug fix in file.cpp + test

[ivailo ilionov]

The bug-fix only adds one line and changes the comment for openFile function.

Well, i'm thinkig that the changed comment is still ambigious, but
you'll get the idea.

If the function is used without at least MYSERVER_OPEN_READ or
MYSERVER_OPEN_WRITE and  one of the flags:


        static const u_long MYSERVER_OPEN_TEMPORARY;
        static const u_long MYSERVER_OPEN_ALWAYS;
        static const u_long MYSERVER_OPEN_IFEXISTS;
        static const u_long MYSERVER_OPEN_APPEND;
        static const u_long MYSERVER_CREATE_ALWAYS;

It never tries to open a file - doesn't have a default behaviour.

test_file.cpp.gz
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file.diff.tar.gz
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