Fix infinite loop with "mutt -", introduced in [31c9e9727d42].

Treats - as a non-option argument. It would be reasonable to treat it
as an error instead.

1 files changed, 1 insertions, 1 deletions

diff --git a/main.c b/main.c
index d96f46e5..ca1a3c67 100644
--- a/main.c
+++ b/main.c
@@ -582,7 +582,7 @@ int main (int argc, char **argv)
     */
    for (; optind < argc; optind++)
    {
-    if (argv[optind][0] == '-')
+    if (argv[optind][0] == '-' && argv[optind][1] != '\0')
     {
       if (argv[optind][1] == '-' && argv[optind][2] == '\0')
         double_dash = optind; /* quit outer loop after getopt */