flex: Updated (2.6.3 -> 2.6.4)

Signed-off-by: Alejandro Mery <amery@geeks.cl>

base/flex/flex.desc

@@ -2,7 +2,7 @@
 [COPY] This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 [COPY]
 [COPY] Filename: package/.../flex/flex.desc
-[COPY] Copyright (C) 2006 - 2017 The OpenSDE Project
+[COPY] Copyright (C) 2006 - 2020 The OpenSDE Project
 [COPY] Copyright (C) 2004 - 2006 The T2 SDE Project
 [COPY] Copyright (C) 1998 - 2004 Clifford Wolf
 [COPY]
@@ -30,10 +30,10 @@
 
 [L] BSD
 [S] Stable
-[V] 2.6.3
+[V] 2.6.4
 [P] X 01-3-5---9 102.080
 
 [O] autogen=1
 [CV-URL] https://github.com/westes/flex/releases
 
-[D] 1929379314 flex-2.6.3.tar.gz https://github.com/westes/flex/releases/download/v2.6.3/
+[D] 2603348691 flex-2.6.4.tar.gz https://github.com/westes/flex/releases/download/v2.6.4/