Update Scintilla from 3.4.3 to 3.4.4

include/wx/stc/stc.h

@@ -310,6 +310,8 @@ class WXDLLIMPEXP_FWD_CORE wxScrollBar;
 #define wxSTC_SEL_THIN 3
 #define wxSTC_CASEINSENSITIVEBEHAVIOUR_RESPECTCASE 0
 #define wxSTC_CASEINSENSITIVEBEHAVIOUR_IGNORECASE 1
+#define wxSTC_MULTIAUTOC_ONCE 0
+#define wxSTC_MULTIAUTOC_EACH 1
 #define wxSTC_ORDER_PRESORTED 0
 #define wxSTC_ORDER_PERFORMSORT 1
 #define wxSTC_ORDER_CUSTOM 2
@@ -4149,6 +4151,12 @@ public:
     // Get auto-completion case insensitive behaviour.
     int AutoCompGetCaseInsensitiveBehaviour() const;
 
+    // Change the effect of autocompleting when there are multiple selections.
+    void AutoCompSetMulti(int multi);
+
+    // Retrieve the effect of autocompleting when there are multiple selections..
+    int AutoCompGetMulti() const;
+
     // Set the way autocompletion lists are ordered.
     void AutoCompSetOrder(int order);