jsminplus: Fix string concatenation in error message

PHP concatenates strings with the `.` operator, not with `+`.

Change-Id: I628a55d714129a1345c37bfd31d8985bce177701

diff --git a/includes/libs/jsminplus.php b/includes/libs/jsminplus.php
index ed0382c..99cf399 100644 (file)
--- a/includes/libs/jsminplus.php
+++ b/includes/libs/jsminplus.php
@@ -1017,7 +1017,7 @@ class JSParser
 
                        case KEYWORD_CATCH:
                        case KEYWORD_FINALLY:
-                               throw $this->t->newSyntaxError($tt + ' without preceding try');
+                               throw $this->t->newSyntaxError($tt . ' without preceding try');
 
                        case KEYWORD_THROW:
                                $n = new JSNode($this->t);