for platforms that don't have 'long long'. In pr/src/Makefile and
lib/libc/src/Makefile, use single quotes so that we can avoid
using backslashes in double quotes (that doesn't work under
MKS shell).
git-svn-id: svn://10.0.0.236/trunk@12330 18797224-902f-48f8-a5cc-f745e15eee43
