halscope: Add channel number in title for 'Select Channel Source' dialog

Adding the information in the title to make the information message
redundant. This is valuable space that we would rather use to display
signals.

Author: havardAasen

src/hal/utils/scope_vert.c

@@ -918,6 +918,7 @@ static gboolean dialog_select_source(int chan_num)
     char *name[HAL_NAME_LEN + 1];
     char signal_name[HAL_NAME_LEN + 1];
     char msg[BUFLEN];
+    char title[BUFLEN];
     int next, n, tab, retval;
     int row, match_tab, match_row;
 
@@ -926,11 +927,12 @@ static gboolean dialog_select_source(int chan_num)
 
     vert->chan_num = chan_num;
 
+    snprintf(title, BUFLEN - 1, _("Select Channel %d Source"), chan_num);
     snprintf(msg, BUFLEN - 1, _("Select a pin, signal, or parameter\n"
 	"as the source for channel %d."), chan_num);
 
     /* create dialog window, disable resizing, set title, size and position */
-    dialog = gtk_dialog_new_with_buttons(_("Select Channel Source"),
+    dialog = gtk_dialog_new_with_buttons(title,
                                          NULL, GTK_DIALOG_MODAL,
                                          _("_OK"), GTK_RESPONSE_ACCEPT,
                                          _("_Cancel"), GTK_RESPONSE_CANCEL,