Fix NDK install

Author: marcprux

.github/workflows/ci.yml

@@ -110,11 +110,11 @@ jobs:
 
       - name: Install Android NDK
         run: |
-        mkdir ~/android-ndk
-        cd ~/android-ndk
-        curl -fSLO https://dl.google.com/android/repository/android-ndk-${ANDROID_NDK_VERSION}-$(uname -s).zip
-        unzip -q android-ndk-${ANDROID_NDK_VERSION}-*.zip
-        echo "ANDROID_NDK_HOME=${PWD}/android-ndk-${ANDROID_NDK_VERSION}" >> $GITHUB_ENV
+          mkdir ~/android-ndk
+          cd ~/android-ndk
+          curl -fSLO https://dl.google.com/android/repository/android-ndk-${ANDROID_NDK_VERSION}-$(uname -s).zip
+          unzip -q android-ndk-${ANDROID_NDK_VERSION}-*.zip
+          echo "ANDROID_NDK_HOME=${PWD}/android-ndk-${ANDROID_NDK_VERSION}" >> $GITHUB_ENV
 
       - name: Setup Android Environment
         run: |