m4: Updated (1.4.17 -> 1.4.18)

base/m4/m4.desc

@@ -2,7 +2,7 @@
 [COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 [COPY]
 [COPY] Filename: package/.../m4/m4.desc
-[COPY] Copyright (C) 2006 - 2016 The OpenSDE Project
+[COPY] Copyright (C) 2006 - 2017 The OpenSDE Project
 [COPY] Copyright (C) 2004 - 2006 The T2 SDE Project
 [COPY] Copyright (C) 1998 - 2003 Clifford Wolf
 [COPY]
@@ -31,7 +31,7 @@
 
 [L] GPL
 [S] Stable
-[V] 1.4.17
+[V] 1.4.18
 [P] X 01---5---9 105.300
 
-[D] 3538998741 m4-1.4.17.tar.gz ftp://ftp.gnu.org/pub/gnu/m4/
+[D] 4059625483 m4-1.4.18.tar.gz ftp://ftp.gnu.org/pub/gnu/m4/