[evolution] Fix build issue for pst-import plugin

[Bharath Acharya <abharath src gnome org>]

commit d38e8b65dbbcf20ccbdc9ffd73830fd1725f91c6
Author: Bharath Acharya <abharath novell com>
Date:   Mon Jun 22 11:12:21 2009 +0530

    Fix build issue for pst-import plugin

 plugins/pst-import/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/plugins/pst-import/Makefile.am b/plugins/pst-import/Makefile.am
index 0bb5fe4..1103a66 100644
--- a/plugins/pst-import/Makefile.am
+++ b/plugins/pst-import/Makefile.am
@@ -9,6 +9,7 @@ endif
 INCLUDES =						\
 	-I$(EVOLUTION_SOURCE)				\
 	-I$(top_srcdir)					\
+	-I$(top_srcdir)/widgets				\
 	-DGETTEXT_PACKAGE="\"$(GETTEXT_PACKAGE)\""	\
 	-DLOCALEDIR="\"$(LOCALEDIR)\""			\
 	$(EVOLUTION_CFLAGS)				\