tools: iio: remove unnecessary double pointer

Remove unnecessary double pointer from channel sorting function.

Signed-off-by: Joo Aun Saw <jasaw@dius.com.au>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/tools/iio/iio_utils.h b/tools/iio/iio_utils.h
index f30a109..e3503bf 100644
--- a/tools/iio/iio_utils.h
+++ b/tools/iio/iio_utils.h
@@ -60,7 +60,7 @@
 int iioutils_get_param_float(float *output, const char *param_name,
 			     const char *device_dir, const char *name,
 			     const char *generic_name);
-void bsort_channel_array_by_index(struct iio_channel_info **ci_array, int cnt);
+void bsort_channel_array_by_index(struct iio_channel_info *ci_array, int cnt);
 int build_channel_array(const char *device_dir,
 			struct iio_channel_info **ci_array, int *counter);
 int find_type_by_name(const char *name, const char *type);