Fix one-char typo relating to detection of XFree86 3.X.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@306 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/configure.in b/configure.in
index 97a1718..958370d 100644
--- a/configure.in
+++ b/configure.in
@@ -218,7 +218,7 @@
 	*version=3*) 
 	   AC_MSG_RESULT([XFree 3.x family])
 	   AC_DEFINE(XFREE_3)
-	   DEFAULT_SUPP="${DEFAULT_SUPP} xfree-4.supp"
+	   DEFAULT_SUPP="${DEFAULT_SUPP} xfree-3.supp"
 	   ;;
 
 	*) AC_MSG_RESULT([unknown XFree86 server (${xfree})])