[Bug #2369] ENV's strange behavior on WinXP

Ruby Development
1

e$B%A%1%C%He(B #2369 e$B$,99?7$5$l$^$7$?!#e(B (by Usaku NAKAMURA)

(e$BC1$J$k%a%b$G$9e(B)

XP SP3e$B$G3NG’!#e(B
msvcrte$B$O4X78$J$7!#e(BGetEnvironmentStrings()e$B$i$7$$!#e(B

http://redmine.ruby-lang.org/issues/show/2369