Realize the changes to usage() and the man page were missing from

the previous commit, and document the -C (comments) flag.

games/fortune/strfile/strfile.8

@@ -65,6 +65,15 @@ The output file, if not specified on the command line, is named
 .Pp
 The options are as follows:
 .Bl -tag -width "-c char"
+.It Fl C
+Flag the file as containing comments. This option cases the
+.Dv STR_COMMENTS
+bit in the header
+.Ar str_flags
+field to be set.
+Comments are designated by two delimiter characters at the
+beginning of the line, though strfile does not give any special
+treatment to comment lines.
 .It Fl c Ar char
 Change the delimiting character from the percent sign to
 .Ar char .

games/fortune/strfile/strfile.c

@@ -317,7 +317,7 @@ char	**argv;
 void usage()
 {
 	(void) fprintf(stderr,
-	    "strfile [-iorsx] [-c char] sourcefile [datafile]\n");
+	    "strfile [-Ciorsx] [-c char] sourcefile [datafile]\n");
 	exit(1);
 }