Prepend ./ to "flag-like file" wildcard expansions and completions

If a wildcard or completion expands to a file that begins with
one or more dashes, prepend a ./ to it so that it doesn't get
parsed as an option.

Fixes #1519

1 files changed, 3 insertions, 1 deletions

diff --git a/wildcard.h b/wildcard.h
index 8c542221..b09aa64f 100644
--- a/wildcard.h
+++ b/wildcard.h
@@ -84,7 +84,9 @@ bool wildcard_has(const wcstring &, bool internal);
 bool wildcard_has(const wchar_t *, bool internal);
 
 /**
-   Test wildcard completion
+   Matches the string against the wildcard, and if the wildcard is a
+   possible completion of the string, the remainder of the string is
+   inserted into the out vector.
 */
 bool wildcard_complete(const wcstring &str,
                        const wchar_t *wc,