cp autoconf foo for fixing aarch64 build

This is inspired by
flathub/io.github.OpenToonz@2a94630
I don't want to get into the business of redefining build-commands,
so I'm hoping that this achieves the same.

org.wireshark.Wireshark.yml

@@ -136,6 +136,7 @@ modules:
 
   - name: wireshark
     buildsystem: cmake-ninja
+
     cleanup:
         - "/include"
         - "/share/man"
@@ -145,3 +146,8 @@ modules:
         - type: archive
           url: https://1.eu.dl.wireshark.org/src/wireshark-3.0.0.tar.xz
           sha256: bc4f30f5b2e94f3a696fef9de44673cdf402db90aac5299966da647f708f009e
+
+        - type: shell
+          commands:
+            - mkdir config
+            - cp -p /usr/share/automake-*/config.{sub,guess} config