cosmetic: fix whitespaces; we use tabs for indentation

Change-Id: I547f650bcda369ea399c5171a3541a96862d978b
diff --git a/src/libosmo-legacy-mgcp/mgcp_protocol.c b/src/libosmo-legacy-mgcp/mgcp_protocol.c
index bc1ec0d..d2df5f7 100644
--- a/src/libosmo-legacy-mgcp/mgcp_protocol.c
+++ b/src/libosmo-legacy-mgcp/mgcp_protocol.c
@@ -372,8 +372,8 @@
 
 	display_mgcp_message(msg->l2h, msgb_l2len(msg), "Received message");
 
-        /* attempt to treat it as a response */
-        if (sscanf((const char *)&msg->l2h[0], "%3d %*s", &code) == 1) {
+	/* attempt to treat it as a response */
+	if (sscanf((const char *)&msg->l2h[0], "%3d %*s", &code) == 1) {
 		LOGP(DLMGCP, LOGL_DEBUG, "Response: Code: %d\n", code);
 		return NULL;
 	}