Remove unused parameter

Fix unused parameter clang warns about (in code built with -Werror)

Change-Id: Ib613adc23f56b070f41a67b7219dffae2ec0706a
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/FaceDetector_jni.cpp b/FaceDetector_jni.cpp
index ca2786a..af9094d 100644
--- a/FaceDetector_jni.cpp
+++ b/FaceDetector_jni.cpp
@@ -254,7 +254,7 @@
 
 static void
 get_face(JNIEnv *_env, jobject _this,
-     jobject face, jint index)
+     jobject face, jint)
 {
     btk_HDCR hdcr = (btk_HDCR)(_env->GetLongField(_this, gFaceDetectorOffsets.dcr));
     btk_HFaceFinder hfd =
@@ -293,7 +293,7 @@
 
 // ---------------------------------------------------------------------------
 
-jint JNI_OnLoad(JavaVM* vm, void* reserved)
+jint JNI_OnLoad(JavaVM* vm, void*)
 {
     JNIEnv* env = NULL;
     jint result = -1;