Fixed wrong bracket placement (see #3011)

Author: cmaglie

hardware/arduino/avr/cores/arduino/Stream.cpp

@@ -268,8 +268,9 @@ int Stream::findMulti( struct Stream::MultiTarget *targets, int tCount) {
       if (c == t->str[t->index]) {
         if (++t->index == t->len)
           return t - targets;
-      } else
-        continue;
+        else
+          continue;
+      }
 
       // if not we need to walk back and see if we could have matched further
       // down the stream (ie '1112' doesn't match the first position in '11112'