Fix some whitespace

src/ranch_conns_sup.erl

@@ -292,7 +292,7 @@ wait_children(0) ->
 	ok;
 wait_children(NbChildren) ->
 	receive
-        {'DOWN', _, process, Pid, _} ->
+		{'DOWN', _, process, Pid, _} ->
 			case erase(Pid) of
 				active -> wait_children(NbChildren - 1);
 				removed -> wait_children(NbChildren - 1);

src/ranch_ssl.erl

@@ -92,7 +92,7 @@ name() -> ssl.
 
 -spec secure() -> boolean().
 secure() ->
-    true.
+	true.
 
 messages() -> {ssl, ssl_closed, ssl_error}.
 

src/ranch_tcp.erl

@@ -75,7 +75,7 @@ name() -> tcp.
 
 -spec secure() -> boolean().
 secure() ->
-    false.
+	false.
 
 messages() -> {tcp, tcp_closed, tcp_error}.