replace leading spaces with tabs

Change-Id: I86783eba0827b58303b10310e9f6b9625e1a27f1
diff --git a/firmware/apps/triple_play/main.c b/firmware/apps/triple_play/main.c
index 47d53af..b81abdd 100644
--- a/firmware/apps/triple_play/main.c
+++ b/firmware/apps/triple_play/main.c
@@ -151,7 +151,7 @@
 
 	EEFC_ReadUniqueID(g_unique_id);
 
-        printf("\r\n\r\n"
+		printf("\r\n\r\n"
 		"=============================================================================\r\n"
 		"SIMtrace2 firmware " GIT_REVISION " (C) 2010-2017 by Harald Welte\r\n"
 		"=============================================================================\r\n");