Fixes (hopefully) a corruption of the message subject cache in X-VM-v5-Data
http://bugs.gentoo.org/284668

--- vm-8.0.12-orig/lisp/vm-folder.el	2008-11-05 21:04:35.000000000 +0100
+++ vm-8.0.12/lisp/vm-folder.el	2009-09-11 23:22:15.000000000 +0200
@@ -1806,9 +1806,8 @@
 	      (let ((print-escape-newlines t))
 		(prin1-to-string attributes))
 	      "\n\t"
-	      (vm-mime-encode-words-in-string
-	       (let ((print-escape-newlines t))
-		 (prin1-to-string cache)))
+	      (let ((print-escape-newlines t))
+		(prin1-to-string cache))
 	      "\n\t"
 	      (let ((print-escape-newlines t))
 		(prin1-to-string (vm-labels-of m)))