[evolution] Fix a typo in EFilterPart.

[Matthew Barnes <mbarnes src gnome org>]

commit d8b3127abda28009b5c9e97b0e5df9699316f968
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Oct 27 09:22:52 2009 -0400

    Fix a typo in EFilterPart.
    
    This was breaking searching in strange and mysterious ways.

 filter/e-filter-part.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/filter/e-filter-part.c b/filter/e-filter-part.c
index 37e2bf6..50d6d13 100644
--- a/filter/e-filter-part.c
+++ b/filter/e-filter-part.c
@@ -443,7 +443,7 @@ e_filter_part_find_list (GList *list,
 	for (link = list; link != NULL; link = g_list_next (link)) {
 		EFilterPart *part = link->data;
 
-		if (!g_strcmp0 (part->name, name) == 0)
+		if (g_strcmp0 (part->name, name) == 0)
 			return part;
 	}