Doesn't really make a difference as WIN32 is defined as '1' when
it is defined, but there is something to be said for consistent
usage.
PERL_ARGS_ASSERT_PATH_IS_ABSOLUTE;
if (PERL_FILE_IS_ABSOLUTE(name)
-#if WIN32
+#ifdef WIN32
|| (*name == '.' && ((name[1] == '/' ||
(name[1] == '.' && name[2] == '/'))
|| (name[1] == '\\' ||