[meld] Enhance the 'patch failed' error message

[Vincent Legoll <vincele src gnome org>]

commit 638fdb75fed6de81dcf61fd6cb18891bc3325efa
Author: Vincent Legoll <vincent legoll gmail com>
Date:   Sat Jul 18 00:17:08 2009 +0200

    Enhance the 'patch failed' error message
    
    Bug reporters were confused by the previous error message
    clarify a bit what they should do to give us good informations

 vcview.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/vcview.py b/vcview.py
index b4c6070..87247f8 100644
--- a/vcview.py
+++ b/vcview.py
@@ -518,6 +518,11 @@ class VcView(melddoc.MeldDoc, gnomeglade.Component):
                     - source control software version: 'X.Y.Z'
                     - the output of '%s somefile.txt'
                     - patch command: '%s'
+                    (no need to actually run it, just provide
+                    the command line) 
+                    
+                    Replace 'X.Y.Z' by the actual version for the
+                    source control software you use.
                     """) % (self.vc.NAME,
                             meldapp.version,
                             self.vc.NAME,