Create versioned symlinks in ${PREFIX}/bin/

--- make/install_bin.orig	Tue Jun 23 20:56:21 2015
+++ make/install_bin	Thu Jun 25 13:47:10 2015
@@ -691,9 +691,9 @@ done
 
 # do it
 for file in "$@"; do
-    echo $ln_s "$DQ$src_dir/$file$DQ" "$file"
-    $dbg $ln_s    "$src_dir/$file"    "$file" || {
-	test "$tst" = "" || echo "{error,{$type,\"$file\",failed}}." > $tst
+    echo $ln_s "$DQ$src_dir/$file$DQ" "${file}${MAJ_V}"
+    $dbg $ln_s    "$src_dir/$file"    "${file}${MAJ_V}" || {
+	test "$tst" = "" || echo "{error,{$type,\"$file${MAJ_V}\",failed}}." > $tst
 	exit 1
     }
 done