[tracker] Fixes GB#598470, Search entry icons grayed out

[Martyn James Russell <mr src gnome org>]

commit 0e80308fa92491b013c0926f00df6c53be1ab73c
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Mon Nov 23 16:16:57 2009 +0000

    Fixes GB#598470,  Search entry icons grayed out

 src/tracker-search-tool/tracker-entry.gs |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/src/tracker-search-tool/tracker-entry.gs b/src/tracker-search-tool/tracker-entry.gs
index 5f02004..156f307 100644
--- a/src/tracker-search-tool/tracker-entry.gs
+++ b/src/tracker-search-tool/tracker-entry.gs
@@ -33,7 +33,6 @@ class TrackerSearchEntry  : Gtk.Entry
     prop Query : TrackerQuery 
 
     init
-        set_icon_from_stock (EntryIconPosition.PRIMARY, STOCK_FIND)
         set_icon_from_stock (EntryIconPosition.SECONDARY, STOCK_CLEAR)
         set_icon_sensitive (EntryIconPosition.PRIMARY, false)
         set_icon_sensitive (EntryIconPosition.SECONDARY, false)
@@ -59,7 +58,7 @@ class TrackerSearchEntry  : Gtk.Entry
         
     def private run_query () : bool
         if Query is not null
-            if text is null
+            if (text is null) or (text is "")
                 set_icon_sensitive (EntryIconPosition.SECONDARY, false)
                 Query.SearchTerms = ""
             else