INSTALL: Reword sentence about gengetopt.

The latest version of gengetopt is two years old, so it hardly makes
sense to talk about a "recent version".

Also link to the gengetopt web page rather than to the FTP server.

diff --git a/INSTALL b/INSTALL
index a99abead6bc3ef9a5bdbafb64c82c42b21a6d1e0..182d58ca1cced093ad5875071933b7949bae0124 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -6,8 +6,8 @@ in the dss source directory to build the dss executable and copy it to
 some directory that is included in your PATH, e.g. to $HOME/bin or to
 /usr/local/bin.
 
-Note that you'll likely need a recent version of
-ftp://ftp.gnu.org/pub/gnu/gengetopt/ (gnu gengetopt) to compile dss.
+Note that https://www.gnu.org/software/gengetopt/gengetopt.html (gnu gengetopt)
+is required to compile dss.
 
 Optionally, type