move some vars from TLS to __gshared

src/dlangui/core/events.d

@@ -1130,7 +1130,7 @@ class CustomEvent {
     protected int _id;
     protected uint _uniqueId;
 
-    protected static uint _uniqueIdGenerator;
+    protected static __gshared uint _uniqueIdGenerator;
 
     protected Widget _destinationWidget;
     // event id

src/dlangui/graphics/ftfonts.d

@@ -111,7 +111,7 @@ private class FreeTypeFontFile {
     @property int weight() { return _weight; }
     @property bool italic() { return _italic; }
 
-	debug private static int _instanceCount;
+	debug private static __gshared int _instanceCount;
     this(FT_Library library, string filename) {
         _library = library;
         _filename = filename;
@@ -487,7 +487,7 @@ class FreeTypeFontManager : FontManager {
 
 	//private FontList _activeFonts;
 
-    private static FontRef _nullFontRef;
+    private static __gshared FontRef _nullFontRef;
 
     this() {
         // load dynaic library

src/dlangui/platforms/common/platform.d

@@ -87,7 +87,7 @@ class EventList {
 }
 
 class TimerInfo {
-    static ulong nextId;
+    static __gshared ulong nextId;
 
     this(Widget targetWidget, long intervalMillis) {
         _id = ++nextId;

src/dlangui/platforms/windows/win32drawbuf.d

@@ -57,7 +57,7 @@ class Win32ColorDrawBuf : ColorDrawBufBase {
     /// returns HBITMAP for alpha
     HBITMAP createTransparencyBitmap() {
         int hbytes = (((_dx + 7) / 8) + 1) & 0xFFFFFFFE;
-        static ubyte[] buf;
+        static __gshared ubyte[] buf;
         buf.length = hbytes * _dy * 2;
         //for (int y = 0; y < _dy; y++) {
         //    uint * src = scanLine(y);

src/dlangui/widgets/tabs.d

@@ -41,7 +41,7 @@ interface TabCloseHandler {
 
 /// tab item metadata
 class TabItem {
-    private static long _lastAccessCounter;
+    private static __gshared long _lastAccessCounter;
     private string _iconRes;
     private string _id;
     private UIString _label;