[Pharo-project] [update 1.2] #12275

[Stéphane Ducasse]

-  Issue 3400:  doubled . at end of line in RxParserTest>>#test and 
#testTranlsatingMatchesUsing not portable. Thanks Dale Henrichs
- Issue 3397:   Behaviour>> #adoptInstance:. Thanks Henrik.
-  Issue 3386:  DosFileDirectory>> checkName: aFileName fixErrors: fixing. 
Thanks Gary Chambers.

Stef fighting with some bugs...