Fixed Makefile for `make lint' dep. on config.h

Added -Txhtml for XHTML output (minimal increase to programme logic).  Because groff has it and it bothers me that we don't.

1 files changed, 1 insertions, 0 deletions

diff --git a/main.h b/main.h
index 589344d7..63bc2b67 100644
--- a/main.h
+++ b/main.h
@@ -30,6 +30,7 @@ struct	man;
  */
 
 void		 *html_alloc(char *);
+void		 *xhtml_alloc(char *);
 void		  html_mdoc(void *, const struct mdoc *);
 void		  html_man(void *, const struct man *);
 void		  html_free(void *);