Fix non-Microsoft value of ess-rterm-versions to be list to satisfy custom.
tree8d581b8edefc9079d9ebd54e678d1fb4dbad9a31
-rw-r--r-- 18927 ANNOUNCE
-rw-r--r-- 17979 COPYING
-rw-r--r-- 208566 ChangeLog
drwxr-xr-x - DEBIAN
drwxr-xr-x - LDA
-rw-r--r-- 2336 Makeconf
-rw-r--r-- 3903 Makefile
-rw-r--r-- 32047 README
-rw-r--r-- 6 VERSION
drwxr-xr-x - doc
drwxr-xr-x - etc
drwxr-xr-x - fontlock-test
-rw-r--r-- 4771 install-sh
drwxr-xr-x - lisp
-rw-r--r-- 649 mkinstalldirs