[gnome-commander] History: do not add empty strings

[Piotr Eljasiak <epiotr src gnome org>]

commit 04c07d4a01e13ff1037fb6998df670a58645de35
Author: Piotr Eljasiak <epiotr src gnome org>
Date:   Mon Jun 13 20:13:35 2011 +0200

    History: do not add empty strings

 src/history.cc |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/history.cc b/src/history.cc
index 2d2d5b1..a5b7eb4 100644
--- a/src/history.cc
+++ b/src/history.cc
@@ -42,6 +42,9 @@ void History::add(const gchar *text)
     if (is_locked)
         return;
 
+    if (!text || !*text)
+        return;
+
     // If we are in the middle of the history list, lets kill all items that are in front of us
     GList *l = ents;
     while (l && l != pos)