Fix CID 105884 (UNINIT_CTOR) - initialize Renderer2D::viewMask_.

Source/Urho3D/Graphics/Renderer.h

@@ -194,7 +194,7 @@ public:
     void SetMinInstances(int instances);
     /// Set maximum number of sorted instances per batch group. If exceeded, instances are rendered unsorted.
     void SetMaxSortedInstances(int instances);
-    /// Set maximum number of occluder trianges.
+    /// Set maximum number of occluder triangles.
     void SetMaxOccluderTriangles(int triangles);
     /// Set occluder buffer width.
     void SetOcclusionBufferSize(int size);

Source/Urho3D/Urho2D/Renderer2D.cpp

@@ -63,7 +63,8 @@ Renderer2D::Renderer2D(Context* context) :
     Drawable(context, DRAWABLE_GEOMETRY),
     material_(new Material(context)),
     indexBuffer_(new IndexBuffer(context_)),
-    frustum_(0)
+    frustum_(0),
+    viewMask_(DEFAULT_VIEWMASK)
 {
     material_->SetName("Urho2D");