[longomatch] Use the correct module name

[Andoni Morales Alastruey <amorales src gnome org>]

commit 302eff2a95be1776be13b2d7d6e5ae4a7d44f622
Author: Jorge Zapata <jorgeluis zapata gmail com>
Date:   Mon Nov 24 16:21:18 2014 +0100

    Use the correct module name

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ae75f1e..84ce63c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -74,7 +74,7 @@ PKG_CHECK_MODULES([GTKSHARP], [gtk-sharp-2.0])
 AC_SUBST(GTKSHARP_LIBS)
 PKG_CHECK_MODULES([JSON], [newtonsoft-json])
 AC_SUBST(JSON_LIBS)
-PKG_CHECK_MODULES([DB4O], [db40],  [HAVE_DB4O=1], [HAVE_DB4O=0])
+PKG_CHECK_MODULES([DB4O], [db4o],  [HAVE_DB4O=1], [HAVE_DB4O=0])
 AC_SUBST(DB4O_LIBS)
 PKG_CHECK_MODULES([MONO_ADDINS], [mono-addins])
 AC_SUBST(MONO_ADDINS_LIBS)