diff -uNr nautilus-search-tool-0.3.0-orig/src/nautilus-search-tool.c nautilus-search-tool-0.3.0/src/nautilus-search-tool.c
--- nautilus-search-tool-0.3.0-orig/src/nautilus-search-tool.c	2009-04-12 05:40:59.000000000 -0400
+++ nautilus-search-tool-0.3.0/src/nautilus-search-tool.c	2009-04-27 09:21:20.000000000 -0400
@@ -25,6 +25,9 @@
 	#include <config.h> /* for GETTEXT_PACKAGE */
 #endif
 
+#include <ctype.h>
+#include <stdlib.h>
+
 #include "nautilus-search-tool.h"
 
 #include <libnautilus-extension/nautilus-menu-provider.h>
@@ -82,9 +85,9 @@
 	gchar *version;
 
 	gchar **array_version = g_strsplit (GNOME_SEARCH_TOOL_VERSION, " ", -1);
-	guint array_lenght = g_strv_length (array_version);
+	guint array_length = g_strv_length (array_version);
 
-	for (i = 0; i < array_lenght; i++)
+	for (i = 0; i < array_length; i++)
 		{
 			if (isdigit (array_version[i][0]))
 				{