finished CI testing; put things back

azure-pipelines.yml

@@ -8,8 +8,6 @@ strategy:
       imageName: 'ubuntu-24.04'
       toolchainName: clang
       buildTargetName: all
-      checkWarnings: true
-      warningTaskFilters: '\[\-W+.+\]|^((vs|ms)build|ant(\s+.+)?|gradle(w)?(\s+.+)?|grunt|gulp|maven(\s+.+)?|xamarin(android|ios)|xcode(\s+.+)?|cmake|build\s+.+)$'
     linux_jammy_gcc9_all:
       imageName: 'ubuntu-22.04'
       toolchainName: gcc9

win/X11/winX.c

@@ -991,7 +991,8 @@ X11_putstr(winid window, int attr, const char *str)
         X11_destroy_nhwindow(window);
         *wp = window_list[new_win];
         window_list[new_win].type = NHW_NONE; /* allow re-use */
-        /* fall through */
+        FALLTHROUGH;
+        /*FALLTHRU*/
     case NHW_TEXT:
         add_to_text_window(wp, attr, str);
         break;

win/curses/cursinvt.c

@@ -187,6 +187,7 @@ curs_scroll_invt(WINDOW *win UNUSED)
             res = 1;
             break;
         }
+        FALLTHROUGH;
         /*FALLTHRU*/
     case KEY_RIGHT:
     case KEY_NPAGE: