Fix initialization

Source/Atomic/Graphics/Text3D/Text3DText.cpp

@@ -88,6 +88,9 @@ Text3DText::Text3DText(Context* context) :
     effectColor_(Color::BLACK),
     effectDepthBias_(0.0f),
     rowHeight_(0),
+    size_(IntVector2::ZERO),
+    minSize_(IntVector2::ZERO),
+    maxSize_(M_MAX_INT, M_MAX_INT),
     indent_(0),
     indentSpacing_(16),
     colorGradient_(false),