picked a henning diff from src - original log:

fix linecount bug with comments spanning multiple lines
problem reported with the obvious fix for bgpd by Sebastian Benoit
<benoit-lists at fb12.de>, also PR 6432

ok oga@

parse.y

@@ -366,9 +366,10 @@ yylex(void)
 					return (0);
 				if (next == quotec || c == ' ' || c == '\t')
 					c = next;
-				else if (next == '\n')
+				else if (next == '\n') {
+					file->lineno++;
 					continue;
-				else
+				} else
 					lungetc(next);
 			} else if (c == quotec) {
 				*p = '\0';