cppcheck: close files during shutdown

Fix the following cppcheck errors:

    notmuch-count.c:207: error: Resource leak: input
    notmuch-tag.c:238: error: Resource leak: input

We know that the program is shutting down here, but it does no harm to
clean up a bit.

1 files changed, 2 insertions, 0 deletions

diff --git a/notmuch-count.c b/notmuch-count.c
index 50b0c193..97281374 100644
--- a/notmuch-count.c
+++ b/notmuch-count.c
@@ -204,6 +204,8 @@ notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
 
     if (batch && opt_index != argc) {
 	fprintf (stderr, "--batch and query string are not compatible\n");
+	if (input)
+	    fclose (input);
 	return EXIT_FAILURE;
     }