barometer plugin: remove unneccesary cast

diff --git a/src/barometer.c b/src/barometer.c
index a54d998..b6f2bc0 100644 (file)
--- a/src/barometer.c
+++ b/src/barometer.c
@@ -252,7 +252,7 @@ static averaging_t temperature_averaging;
  * @return Zero when successful
  */
 static int averaging_create(averaging_t *avg, int size) {
-  avg->ring_buffer = calloc((size_t)size, sizeof(*avg->ring_buffer));
+  avg->ring_buffer = calloc(size, sizeof(*avg->ring_buffer));
   if (avg->ring_buffer == NULL) {
     ERROR("barometer: averaging_create - ring buffer allocation of size %d "
           "failed",