[gnome-system-monitor] Add translator comment to clarify 'open files' is no action.

[Chris Kühl <chriskuehl src gnome org>]

commit 2436bc9ea02516ad5fa69f476fd3b48b32108404
Author: Chris Kühl <chrisk openismus com>
Date:   Fri Mar 4 00:46:01 2011 +0100

    Add translator comment to clarify 'open files' is no action.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=423088

 src/interface.cpp |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/interface.cpp b/src/interface.cpp
index 2ffd812..afe4f4b 100644
--- a/src/interface.cpp
+++ b/src/interface.cpp
@@ -77,6 +77,7 @@ static const GtkActionEntry menu_entries[] =
 
 	{ "MemoryMaps", NULL, N_("_Memory Maps"), "<control>M",
 	  N_("Open the memory maps associated with a process"), G_CALLBACK (cb_show_memory_maps) },
+        // Translators: this means 'Files that are open' (open is no verb here)
 	{ "OpenFiles", NULL, N_("Open _Files"), "<control>F",
 	  N_("View the files opened by a process"), G_CALLBACK (cb_show_open_files) },