fix the mser issue

n001519 · n001519 · commit cc3fdd005e7b · 2017-05-26T16:51:54.000+08:00
diff --git a/modules/features2d/src/mser.cpp b/modules/features2d/src/mser.cpp
@@ -335,6 +335,8 @@ class MSER_Impl : public MSER
             head = comp1->head;
             tail = comp2->tail;
             size = comp1->size + comp2->size;
+            // update the history size
+            history->size =size;
 
             CompHistory *h1 = history->child_;
             CompHistory *h2 = comp2->history;
