Ensure that directory changes are not printed when calling make in compileline.
Ensure that directory changes are not printed when calling make in compileline.

For some reason, when compileline started using gmake on linux64, it also
started printing out the directory changes (at least for the qthreads
build). This stifles those error messages and fixes the qthread build on
linux64.

CoryMcCartan/chapel,chizarlicious/chapel,CoryMcCartan/chapel,hildeth/chapel,chizarlicious/chapel,chizarlicious/chapel,chizarlicious/chapel,hildeth/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,hildeth/chapel,hildeth/chapel,hildeth/chapel,chizarlicious/chapel,CoryMcCartan/chapel,hildeth/chapel,CoryMcCartan/chapel,chizarlicious/chapel,chizarlicious/chapel,CoryMcCartan/chapel,hildeth/chapel