fix whitespaces

reported by script :- scripts/fix_ws.sh

Signed-off-by: Maninder Singh <maninder1.s@samsung.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/coreutils/shuf.c b/coreutils/shuf.c
index 6d0a68f..9f61f2f 100644
--- a/coreutils/shuf.c
+++ b/coreutils/shuf.c
@@ -94,7 +94,7 @@
 		*dash = '\0';
 		lo = xatou(opt_i_str);
 		hi = xatou(dash + 1);
-	 	*dash = '-';
+		*dash = '-';
 		if (hi < lo) {
 			bb_error_msg_and_die("bad range '%s'", opt_i_str);
 		}