libtool: Updated (2.4.2 -> 2.4.6)

base/libtool/libtool.desc

@@ -2,7 +2,7 @@
 [COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 [COPY]
 [COPY] Filename: package/.../libtool/libtool.desc
-[COPY] Copyright (C) 2006 - 2013 The OpenSDE Project
+[COPY] Copyright (C) 2006 - 2015 The OpenSDE Project
 [COPY] Copyright (C) 2004 - 2006 The T2 SDE Project
 [COPY] Copyright (C) 1998 - 2003 Clifford Wolf
 [COPY]
@@ -34,7 +34,7 @@
 
 [L] GPL
 [S] Stable
-[V] 2.4.2
+[V] 2.4.6
 [P] X 01-3-5---9 102.003
 
-[D] 752072821 libtool-2.4.2.tar.gz http://ftp.gnu.org/gnu/libtool/
+[D] 1307756473 libtool-2.4.6.tar.gz http://ftp.gnu.org/gnu/libtool/