development: fixed code style for blur effect

Material.podspec

 Pod::Spec.new do |s|
   s.name = 'Material'
-  s.version = '2.3.5'
+  s.version = '2.3.6'
   s.license = 'BSD-3-Clause'
   s.summary = 'Material is an animation and graphics framework that is used to create beautiful applications.'
   s.homepage = 'http://materialswift.com'

Sources/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>2.3.5</string>
+	<string>2.3.6</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

Sources/iOS/Material+UIImage.swift

@@ -310,17 +310,17 @@ extension UIImage {
                 let c = radius * screenScale
                 let d = c * 3.0 * b
 
-                var radius = UInt32(floor(d + 0.5))
+                var e = UInt32(floor(d + 0.5))
                 
-                if 1 != radius % 2 {
-                    radius += 1 // force radius to be odd so that the three box-blur methodology works.
+                if 1 != e % 2 {
+                    e += 1 // force radius to be odd so that the three box-blur methodology works.
                 }
                 
                 let imageEdgeExtendFlags = vImage_Flags(kvImageEdgeExtend)
                 
-                vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, nil, 0, 0, radius, radius, nil, imageEdgeExtendFlags)
-                vImageBoxConvolve_ARGB8888(&outBuffer, &inBuffer, nil, 0, 0, radius, radius, nil, imageEdgeExtendFlags)
-                vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, nil, 0, 0, radius, radius, nil, imageEdgeExtendFlags)
+                vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, nil, 0, 0, e, e, nil, imageEdgeExtendFlags)
+                vImageBoxConvolve_ARGB8888(&outBuffer, &inBuffer, nil, 0, 0, e, e, nil, imageEdgeExtendFlags)
+                vImageBoxConvolve_ARGB8888(&inBuffer, &outBuffer, nil, 0, 0, e, e, nil, imageEdgeExtendFlags)
             }
             
             var effectImageBuffersAreSwapped = false