[evolution-mapi] Fix pkg-config issue when building with gtk+-3.0.

[Matthew Barnes <mbarnes src gnome org>]

commit 0dfd402028780bbb9172aa24ae3fa96371cd9021
Author: Matthew Barnes <mbarnes redhat com>
Date:   Wed Jul 21 17:19:12 2010 -0400

    Fix pkg-config issue when building with gtk+-3.0.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 079f6db..ed580a1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -276,7 +276,7 @@ AC_SUBST_FILE(EVO_PLUGIN_RULE)
 dnl *******************
 dnl Special directories
 dnl *******************
-plugindir=`$PKG_CONFIG --variable=plugindir evolution-plugin`
+plugindir=`$PKG_CONFIG --variable=plugindir $EVO_PLUGIN_PACKAGE`
 AC_SUBST(plugindir)
 
 extensiondir=`$PKG_CONFIG --variable=extensiondir evolution-data-server-$EDS_PACKAGE`