White space spring cleaning

Lets squash them all, with a bit of tooling help.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/backend.c b/backend.c
index 1f5f3c7..319bd25 100644
--- a/backend.c
+++ b/backend.c
@@ -335,8 +335,8 @@
 			return 1;
 
 		if (td_non_fatal_error(err)) {
-		        /*
-		         * Continue with the I/Os in case of
+			/*
+			 * Continue with the I/Os in case of
 			 * a non fatal error.
 			 */
 			update_error_count(td, err);
@@ -1091,9 +1091,9 @@
 		memcpy(&td->tv_cache, &td->start, sizeof(td->start));
 
 		if (td->o.ratemin[0] || td->o.ratemin[1]) {
-		        memcpy(&td->lastrate[0], &td->bw_sample_time,
+			memcpy(&td->lastrate[0], &td->bw_sample_time,
 						sizeof(td->bw_sample_time));
-		        memcpy(&td->lastrate[1], &td->bw_sample_time,
+			memcpy(&td->lastrate[1], &td->bw_sample_time,
 						sizeof(td->bw_sample_time));
 		}