libtool_2.4.bb: Set DEFAULT_PREFERENCE to -1

* Its not default so disable it being picked by mistake
  one should enable it explicitly.
  This means by default we still use 2.2.6b

Signed-off-by: Khem Raj <raj.khem@gmail.com>

diff --git a/recipes/libtool/libtool_2.4.bb b/recipes/libtool/libtool_2.4.bb
index ffc525d..a928be2 100644 (file)
--- a/recipes/libtool/libtool_2.4.bb
+++ b/recipes/libtool/libtool_2.4.bb
@@ -1,4 +1,7 @@
 require libtool.inc
+
+DEFAULT_PREFERENCE = "-1"
+
 DEPENDS = "libtool-native"
 PR = "${INC_PR}.0"