[sgasiorek] 20239: putenv should return success on deletion of nonexistent variable.

putenv should return success on deletion of nonexistent variable.
fixes one "msvcrt environ" test
Modified: trunk/reactos/lib/crt/misc/environ.c
  _____

Modified: trunk/reactos/lib/crt/misc/environ.c
--- trunk/reactos/lib/crt/misc/environ.c	2005-12-18 00:43:58 UTC
(rev 20238)
+++ trunk/reactos/lib/crt/misc/environ.c	2005-12-18 01:29:18 UTC
(rev 20239)
@@ -259,7 +259,7 @@

if (!found)
       {
          free(name);
-         return -1;
+         return 0;
       }

/* Remove the option from wide character environment. */