Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: mathieucarbou

src/ESPAsyncWebServer.h

@@ -202,7 +202,11 @@ class WebRequestMethodComposite {
       : MAP_EXTERNAL_TERNARY(HTTP_PURGE)
       : MAP_EXTERNAL_TERNARY(HTTP_LINK)
       : MAP_EXTERNAL_TERNARY(HTTP_UNLINK)
+#if defined(HTTP_ANY)
       : (t == HTTP_ANY) ? static_cast<uint32_t>(WebRequestMethod::HTTP_INVALID) - 1 : static_cast<uint32_t>(WebRequestMethod::HTTP_INVALID);
+#else
+      : static_cast<uint32_t>(WebRequestMethod::HTTP_INVALID);
+#endif
   }
 #undef MAP_EXTERNAL_TERNARY