aTalk: Fix 2.1.0 build

metadata/org.atalk.android.yml

@@ -457,6 +457,8 @@ Builds:
       - aTalk/jni/openssl/android/
       - aTalk/jni/vpx/android/
     prebuild: sed -i -e "/clean.dependsOn 'ndkClean'/d" build.gradle
+    scanignore:
+      - aTalk/build.gradle
     build:
       - pushd $$fmj$$
       - ant
@@ -483,6 +485,9 @@ Builds:
       - mv jni/static_library_built/openssl/output/android/ jni/openssl/
     ndk: r15c
 
+MaintainerNotes: scanignore is used to allow the local "third_party/m2" Gradle repository
+    (which is populated by libraries we build).
+
 AutoUpdateMode: Version %v
 UpdateCheckMode: Tags
 CurrentVersion: 2.1.0