Rename LONGOPT_NUM_CAP_COMMENT to LONGOPT_CAPTURE_COMMENT.

The latter is what editcap calls --capture-comment, and the _NUM serves
no purpose whatsoever.  One #define name for it suffices.

capture_opts.c

@@ -803,7 +803,7 @@ capture_opts_add_opt(capture_options *capture_opts, int opt, const char *optarg_
     int status, snaplen;
 
     switch(opt) {
-    case LONGOPT_NUM_CAP_COMMENT:  /* capture comment */
+    case LONGOPT_CAPTURE_COMMENT:  /* capture comment */
         if (!capture_opts->capture_comment) {
             capture_opts->capture_comment = g_ptr_array_new_with_free_func(g_free);
         }

capture_opts.h

@@ -44,7 +44,7 @@ extern "C" {
  * In short: we must not use 1 here, which is another reason to use
  * values outside the range of ASCII graphic characters.
  */
-#define LONGOPT_NUM_CAP_COMMENT   LONGOPT_BASE_CAPTURE+1
+#define LONGOPT_CAPTURE_COMMENT   LONGOPT_BASE_CAPTURE+1
 #define LONGOPT_LIST_TSTAMP_TYPES LONGOPT_BASE_CAPTURE+2
 #define LONGOPT_SET_TSTAMP_TYPE   LONGOPT_BASE_CAPTURE+3
 #define LONGOPT_COMPRESS_TYPE     LONGOPT_BASE_CAPTURE+4
@@ -76,7 +76,7 @@ extern "C" {
 #endif
 
 #define LONGOPT_CAPTURE_COMMON \
-    {"capture-comment",       required_argument, NULL, LONGOPT_NUM_CAP_COMMENT}, \
+    {"capture-comment",       required_argument, NULL, LONGOPT_CAPTURE_COMMENT}, \
     {"autostop",              required_argument, NULL, 'a'}, \
     {"ring-buffer",           required_argument, NULL, 'b'}, \
     LONGOPT_BUFFER_SIZE \

dumpcap.c

@@ -5139,7 +5139,7 @@ main(int argc, char *argv[])
         case 's':        /* Set the snapshot (capture) length */
         case 'w':        /* Write to capture file x */
         case 'y':        /* Set the pcap data link type */
-        case  LONGOPT_NUM_CAP_COMMENT: /* add a capture comment */
+        case LONGOPT_CAPTURE_COMMENT: /* add a capture comment */
 #ifdef HAVE_PCAP_REMOTE
         case 'u':        /* Use UDP for data transfer */
         case 'r':        /* Capture own RPCAP traffic too */

tshark.c

@@ -1100,7 +1100,7 @@ main(int argc, char *argv[])
 #endif
     case 's':        /* Set the snapshot (capture) length */
     case 'y':        /* Set the pcap data link type */
-    case  LONGOPT_NUM_CAP_COMMENT: /* add a capture comment */
+    case LONGOPT_CAPTURE_COMMENT: /* add a capture comment */
 #ifdef CAN_SET_CAPTURE_BUFFER_SIZE
     case 'B':        /* Buffer size */
 #endif