nspawn: add -M option to optstring

This was missed in commit 7027ff61a34a12487712b382a061c654acc3a679 and
means that the --machine option would work but not its shorthand, -M.

diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 7b415710345eafc4501d3dcf3ad82d8851ea3786..a49cbc2238cf142de9adcd6b0929407794e2a3bb 100644 (file)
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -173,7 +173,7 @@ static int parse_argv(int argc, char *argv[]) {
         assert(argc >= 0);
         assert(argv);
 
-        while ((c = getopt_long(argc, argv, "+hD:u:C:bj", options, NULL)) >= 0) {
+        while ((c = getopt_long(argc, argv, "+hD:u:C:bM:j", options, NULL)) >= 0) {
 
                 switch (c) {