Fix Query.

Correctly include `org_kiwix_libwzim_Query.h`.
Property set the return type of setNativeQuery to void.

lib/src/main/cpp/libzim/query.cpp

@@ -20,7 +20,7 @@
 
 #include <jni.h>
 #include <exception>
-#include "org_kiwix_libzim_Searcher.h"
+#include "org_kiwix_libzim_Query.h"
 
 #include <utils.h>
 

lib/src/main/java/org/kiwix/libzim/Query.java

@@ -37,6 +37,6 @@ public class Query
   public native void dispose();
 
   // A pointer (as a long) to a native Handle
-  private native long setNativeQuery(String query);
+  private native void setNativeQuery(String query);
   private long nativeHandle;
 }