Don't require the same prefix for Perl.

README.CVS

@@ -11,8 +11,8 @@ aggressive gettextize and a new tool, autopoint, which doesn't seem to
 be ready yet).
 Glib 1.2.6 and above on the 1.2.x branch.
 
-All those tools should be installed with the same prefix.  Make sure
-that the tools with the right version are first in PATH.
+All those tools (except Perl) should be installed with the same prefix. 
+Make sure that the tools with the right version are first in PATH.
 
 The next version, mc-4.6.0, is expected to be released with the
 following tools: