Fix selinux context on Magisk files

jni/include/daemon.h

@@ -59,6 +59,7 @@ void write_string(int fd, const char* val);
 void post_fs(int client);
 void post_fs_data(int client);
 void late_start(int client);
+void fix_filecon();
 
 /**************
  * MagiskHide *

jni/include/utils.h

@@ -110,6 +110,7 @@ int setattrat(int dirfd, const char *pathname, struct file_attr *a);
 int fsetattr(int fd, struct file_attr *a);
 void fclone_attr(const int sourcefd, const int targetfd);
 void clone_attr(const char *source, const char *target);
+void restorecon(int dirfd, int force);
 
 // img.c