Thanks for investigation ;-)
Russian translation
Strange... xxx@ant:~/security/mcrypt-shell/mcrypt-shell$ patch -b < sleep_declaration.patch...
Strange... @ant:~/security/mcrypt-shell/mcrypt-shell$ patch -b < sleep_declaration.patch...
openSUSE | ld: cannot open output file mcrypt-shell: Is a directory
Patched. Thank's for testing under x64, I have a x86 OS :)