Bug#985372: [helmut@subdivi.de: Bug#985372: libxcrypt FTCBFS: glibc version detection inspects build architecture libc]

[Zack Weinberg]

Merged as 86d1e4e3815fa6c47613bda86820ee50e41ebd11, thank you for the
patch.  It's good to know someone is testing cross compilation.

zw