[folks] Fix some variable names in the inspector signal parsing code

[Philip Withnall <pwithnall src gnome org>]

commit 0f65abfa48d5f615419a871a726ca38d9cb3c76b
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Thu Dec 30 17:59:37 2010 +0000

    Fix some variable names in the inspector signal parsing code
    
    See: https://bugzilla.gnome.org/show_bug.cgi?id=629075#c8

 tools/inspect/command-signals.vala |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tools/inspect/command-signals.vala b/tools/inspect/command-signals.vala
index 7030e46..2de96a8 100644
--- a/tools/inspect/command-signals.vala
+++ b/tools/inspect/command-signals.vala
@@ -214,7 +214,7 @@ private class Folks.Inspect.Commands.Signals : Folks.Inspect.Command
       string signal_name_inner = (parts.length > 1) ? parts[1] : null;
       string detail_string_inner = (parts.length > 2) ? parts[2] : null;
 
-      if (signal_name == "" || detail_string == "")
+      if (signal_name_inner == "" || detail_string_inner == "")
         {
           Utils.print_line ("Invalid signal identifier '%s'.", input);
           return false;