Merge pull request #5 from xiangxistu/master

[fix] code format.

src/cmux.c

@@ -543,7 +543,7 @@ static void cmux_recv_processdata(struct cmux *cmux, rt_uint8_t *buf, rt_size_t
             {
                 /* control channel command */
                 LOG_W("control channel command haven't support.");
-				cmux_frame_destroy(frame);
+                cmux_frame_destroy(frame);
             }
         }
         else
@@ -567,7 +567,7 @@ static void cmux_recv_processdata(struct cmux *cmux, rt_uint8_t *buf, rt_size_t
 
                 break;
             }
-			cmux_frame_destroy(frame);
+            cmux_frame_destroy(frame);
         }
     }
 }