Silence warnings.

src/ImageSharp/Formats/Gif/GifEncoder.cs

@@ -44,7 +44,7 @@ namespace SixLabors.ImageSharp.Formats.Gif
         public void Encode<TPixel>(Image<TPixel> image, Stream stream)
             where TPixel : struct, IPixel<TPixel>
         {
-            GifEncoderCore encoder = new GifEncoderCore(this);
+            var encoder = new GifEncoderCore(this);
             encoder.Encode(image, stream);
         }
     }

src/ImageSharp/Processing/Processors/CloningImageProcessor.cs

@@ -27,7 +27,7 @@ namespace SixLabors.ImageSharp.Processing
                     throw new ImageProcessingException($"An error occured when processing the image using {this.GetType().Name}. The processor changed the number of frames.");
                 }
 
-                var configuration = source.GetConfiguration();
+                Configuration configuration = source.GetConfiguration();
                 this.BeforeImageApply(source, clone, sourceRectangle);
 
                 for (int i = 0; i < source.Frames.Count; i++)

src/ImageSharp/Processing/Processors/ImageProcessor.cs

@@ -20,7 +20,7 @@ namespace SixLabors.ImageSharp.Processing
         {
             try
             {
-                var config = source.GetConfiguration();
+                Configuration config = source.GetConfiguration();
                 this.BeforeImageApply(source, sourceRectangle);
 
                 foreach (ImageFrame<TPixel> sourceFrame in source.Frames)

tests/ImageSharp.Tests/Formats/Png/PngEncoderTests.cs

@@ -28,10 +28,10 @@ namespace SixLabors.ImageSharp.Tests
         {
             using (Image<TPixel> image = provider.GetImage())
             {
-                PngEncoder options = new PngEncoder()
-                                                {
-                                                    PngColorType = pngColorType
-                                                };
+                var options = new PngEncoder()
+                {
+                    PngColorType = pngColorType
+                };
                 provider.Utility.TestName += "_" + pngColorType;
 
                 provider.Utility.SaveTestOutputFile(image, "png", options);
@@ -44,7 +44,7 @@ namespace SixLabors.ImageSharp.Tests
             where TPixel : struct, IPixel<TPixel>
         {
             using (Image<TPixel> image = provider.GetImage())
-            using (MemoryStream ms = new MemoryStream())
+            using (var ms = new MemoryStream())
             {
                 image.Save(ms, new PngEncoder());