dumpcap: fix this statement may fall through [-Werror=implicit-fallthrough=] found by gcc7

Change-Id: I46bf9ae4150d9bd7efe5387919091ac49143232d
Reviewed-on: https://code.wireshark.org/review/20414
Reviewed-by: Michael Mann <mmann78@netscape.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/dumpcap.c b/dumpcap.c
index 56af89e9a6..ee4cf9edc2 100644
--- a/dumpcap.c
+++ b/dumpcap.c
@@ -2026,8 +2026,8 @@ cap_pipe_dispatch(loop_data *ld, pcap_options *pcap_opts, guchar *data, char *er
             pcap_opts->cap_pipe_state = STATE_EXPECT_DATA;
             return 0;
         }
-        /* no data to read? fall through */
-
+        /* no data to read? */
+        /* FALLTHROUGH */
     case PD_DATA_READ:
         /* Fill in a "struct pcap_pkthdr", and process the packet. */
         phdr.ts.tv_sec = pcap_opts->cap_pipe_rechdr.hdr.ts_sec;