3eb443a CI Tests: fix Regression/bz1563046-getlogin-r-return-early-when-linux-sentinel-value

2 files Authored by mcoufal 3 months ago, Committed by codonell 3 months ago,
    CI Tests: fix Regression/bz1563046-getlogin-r-return-early-when-linux-sentinel-value
    
    * add gcc to required packages
    * include 'unistd.h'