Fix linker issue (#357)

* Expose VAD isDetected api to Swift

* Fix link issue

build-ios.sh

@@ -127,7 +127,8 @@ cmake --build build/os64 --target install
 echo "Generate xcframework"
 
 mkdir -p "build/simulator/lib"
-for f in libkaldi-native-fbank-core.a libsherpa-onnx-c-api.a libsherpa-onnx-core.a; do
+for f in libkaldi-native-fbank-core.a libsherpa-onnx-c-api.a libsherpa-onnx-core.a \
+         libsherpa-onnx-fst.a libsherpa-onnx-kaldifst-core.a libkaldi-decoder-core.a; do
   lipo -create build/simulator_arm64/lib/${f} \
                build/simulator_x86_64/lib/${f} \
        -output build/simulator/lib/${f}
@@ -138,12 +139,18 @@ done
 libtool -static -o build/simulator/sherpa-onnx.a \
   build/simulator/lib/libkaldi-native-fbank-core.a \
   build/simulator/lib/libsherpa-onnx-c-api.a \
-  build/simulator/lib/libsherpa-onnx-core.a
+  build/simulator/lib/libsherpa-onnx-core.a  \
+  build/simulator/lib/libsherpa-onnx-fst.a   \
+  build/simulator/lib/libsherpa-onnx-kaldifst-core.a \
+  build/simulator/lib/libkaldi-decoder-core.a
 
 libtool -static -o build/os64/sherpa-onnx.a \
   build/os64/lib/libkaldi-native-fbank-core.a \
   build/os64/lib/libsherpa-onnx-c-api.a \
-  build/os64/lib/libsherpa-onnx-core.a
+  build/os64/lib/libsherpa-onnx-core.a \
+  build/os64/lib/libsherpa-onnx-fst.a   \
+  build/os64/lib/libsherpa-onnx-kaldifst-core.a \
+  build/os64/lib/libkaldi-decoder-core.a
 
 
 rm -rf sherpa-onnx.xcframework

build-swift-macos.sh

@@ -26,4 +26,7 @@ make install
 libtool -static -o ./install/lib/libsherpa-onnx.a \
   ./install/lib/libsherpa-onnx-c-api.a \
   ./install/lib/libsherpa-onnx-core.a \
-  ./install/lib/libkaldi-native-fbank-core.a
+  ./install/lib/libkaldi-native-fbank-core.a \
+  ./install/lib/libsherpa-onnx-fst.a \
+  ./install/lib/libsherpa-onnx-kaldifst-core.a \
+  ./install/lib/libkaldi-decoder-core.a