sed: fix c cmd

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

editors/sed.c

@@ -1031,7 +1031,7 @@ static void process_files(void)
 		case 'c':
 			/* Only triggers on last line of a matching range. */
 			if (!sed_cmd->in_match)
-				sed_puts(sed_cmd->string, NO_EOL_CHAR);
+				sed_puts(sed_cmd->string, '\n');
 			goto discard_line;
 
 		/* Read file, append contents to output */

testsuite/sed.tests

@@ -248,4 +248,9 @@ testing "sed beginning (^) matches only once" \
 	">/usr</>lib<\n" "" \
 	"/usr/lib\n"
 
+testing "sed c" \
+	"sed 'crepl'" \
+	"repl\nrepl\n" "" \
+	"first\nsecond\n"
+
 exit $FAILCOUNT