ProtonVPN - fix build, polish recipe

metadata/ch.protonvpn.android.yml

@@ -246,10 +246,13 @@ Builds:
       - sed -i -e '/triple/d' -e '/play\ {/,+4d' -e 's/20.0.5594570/20.1.5948944/'
         build.gradle
       - sed -i -e 's/20.0.5594570/20.1.5948944/' ../openvpn/build.gradle.kts
+      - sed -i -e '/kotlinx/d' ../build.gradle
       - pushd ../strongswan
-      - export PATH=$$NDK$$/toolchains/llvm/prebuilt/linux-x86_64/bin:$PATH
       - git clone git://git.strongswan.org/android-ndk-boringssl.git -b ndk-static
         src/frontends/android/app/src/main/jni/openssl
+    build:
+      - pushd ../strongswan
+      - export PATH=$$NDK$$/toolchains/llvm/prebuilt/linux-x86_64/bin:$PATH
       - ./autogen.sh
       - ./configure
       - make dist
@@ -268,8 +271,6 @@ Builds:
       - rm -fr openvpn/build/tmp
       - rm -fr openvpn/.cxx
       - popd
-    scanignore:
-      - app/src/main/jniLibs/
     ndk: r20b
     gradleprops:
       - buildUniversalApk