log: remove useless cast

There is no need to cast from (void *) before assigning to a pointer.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/common/log.c b/common/log.c
index ffb3cd6..c5b9b48 100644
--- a/common/log.c
+++ b/common/log.c
@@ -233,7 +233,7 @@
 	ldev = log_device_find_by_name(drv_name);
 	if (!ldev)
 		return -ENOENT;
-	filt = (struct log_filter *)calloc(1, sizeof(*filt));
+	filt = calloc(1, sizeof(*filt));
 	if (!filt)
 		return -ENOMEM;