ci: fix syntax error in inline build script

Author: indygreg

.github/workflows/apple.yml

@@ -188,16 +188,16 @@ jobs:
              export APPLE_HOST_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
 
              if [ "${{ matrix.triple }}" = "aarch64-apple-darwin" ]; then
-                 export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
+               export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
              elif [ "${{ matrix.triple }}" = "aarch64-apple-ios" ]; then
-                 export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.4.sdk
-             if [ "${{ matrix.triple }}" = "x86_64-apple-darwin" ]; then
-                 export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
+               export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.4.sdk
+             elif [ "${{ matrix.triple }}" = "x86_64-apple-darwin" ]; then
+               export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX11.1.sdk
              elif [ "${{ matrix.triple }}" = "x86_64-apple-ios" ]; then
-                 export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.4.sdk
+               export APPLE_SDK_PATH=/Applications/Xcode_12.4.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.4.sdk
              else
-                echo "unhandled target triple: ${{ matrix.triple }}"
-                exit 1
+               echo "unhandled target triple: ${{ matrix.triple }}"
+               exit 1
              fi
           fi