imap-send.c: guard config parser from value=NULL

None of the configuration variables this expects is boolean.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/imap-send.c b/imap-send.c
index a429a76a6385bb7d7935cfaddec9cfc8508c77e5..9025d9aa3ef37b1a1ce4ae5d4b447e3b0918cb7e 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -1254,6 +1254,10 @@ git_imap_config(const char *key, const char *val)
 
        if (strncmp( key, imap_key, sizeof imap_key - 1 ))
                return 0;
+
+       if (!val)
+               return config_error_nonbool(key);
+
        key += sizeof imap_key - 1;
 
        if (!strcmp( "folder", key )) {