For example, the explicit path "C:\some;path" is currently treated as if
the PATH environment variable is "C:\some;path" which is obviously wrong,
and searches for the directories "C:\some" and "path".
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>