msi: Constify some variables.
-rw-r--r-- 25271 .gitignore
-rw-r--r-- 31001 ANNOUNCE
-rw-r--r-- 13053 AUTHORS
-rw-r--r-- 26434 COPYING.LIB
-rw-r--r-- 2278544 ChangeLog
-rw-r--r-- 824 LICENSE
-rw-r--r-- 1324 LICENSE.OLD
-rw-r--r-- 9192 Make.rules.in
-rw-r--r-- 37376 Makefile.in
-rw-r--r-- 6670 README
-rw-r--r-- 20 VERSION
-rw-r--r-- 5408 aclocal.m4
-rwxr-xr-x 647509 configure
-rw-r--r-- 66872 configure.ac
drwxr-xr-x - dlls
drwxr-xr-x - documentation
drwxr-xr-x - fonts
drwxr-xr-x - include
drwxr-xr-x - libs
drwxr-xr-x - loader
drwxr-xr-x - programs
drwxr-xr-x - server
drwxr-xr-x - tools