fix compiler warnings.

code/3DS/3DSHelper.h

@@ -464,7 +464,6 @@ struct Material {
         // empty
 
     }
-    //Material &operator=(const Material &other) = default;
 
     //! Move constructor. This is explicitly written because MSVC doesn't support defaulting it
     Material(Material &&other) AI_NO_EXCEPT :

code/3DS/3DSLoader.cpp

@@ -1078,7 +1078,7 @@ void Discreet3DSImporter::ParseMeshChunk()
         mMesh.mFaceMaterials.resize(mMesh.mFaces.size(),0xcdcdcdcd);
 
         // Larger 3DS files could have multiple FACE chunks here
-        chunkSize = stream->GetRemainingSizeToLimit();
+        chunkSize = (int)stream->GetRemainingSizeToLimit();
         if ( chunkSize > (int) sizeof(Discreet3DS::Chunk ) )
             ParseFaceChunk();
         }

code/Blender/BlenderLoader.cpp

@@ -206,7 +206,7 @@ void BlenderImporter::InternReadFile( const std::string& pFile,
         inflateInit2(&zstream, 16+MAX_WBITS);
 
         zstream.next_in   = reinterpret_cast<Bytef*>( reader->GetPtr() );
-        zstream.avail_in  = reader->GetRemainingSize();
+        zstream.avail_in  = (uInt) reader->GetRemainingSize();
 
         size_t total = 0l;
 

code/XGL/XGLLoader.cpp

@@ -176,7 +176,7 @@ void XGLImporter::InternReadFile( const std::string& pFile,
         raw_reader->IncPtr(2);
 
         zstream.next_in   = reinterpret_cast<Bytef*>( raw_reader->GetPtr() );
-        zstream.avail_in  = raw_reader->GetRemainingSize();
+        zstream.avail_in  = (uInt) raw_reader->GetRemainingSize();
 
         size_t total = 0l;