[master] 211c69609 build: Fake link with echo instead of cat

[Dridi Boukelmoune]

commit 211c6960995aad74f420bc5e85e953a07b1bceb3
Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
Date:   Fri Aug 20 13:47:51 2021 +0200

    build: Fake link with echo instead of cat
    
    There might be linker flags that cat would fail to find.

diff --git a/include/Makefile.am b/include/Makefile.am
index d5c5925c5..ecf95affd 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -166,6 +166,6 @@ vrt_test.c: vdef.h vrt.h
 
 vrt_test_BUILT_SOURCES = vrt_test.c
 vrt_test_CFLAGS = -c
-vrt_test_LINK = cat >$@
+vrt_test_LINK = echo >$@
 
 TESTS = vbm_test