Fixes sources-directory being different from “.”.

src/recipe.cr

@@ -195,8 +195,10 @@ class Package::Recipe
 		sources.each do |url|
 			next if url.scheme == "file"
 
-			unless File.exists? url.filename
-				status = @context.run @context.sources_directory, "wget", [ url.to_s, "-O", url.filename ]
+			filename = @context.sources_directory + "/" + url.filename
+
+			unless File.exists? filename
+				status = @context.run @context.sources_directory, "wget", [ url.to_s, "-O", filename ]
 
 				raise DownloadError.new self, url unless status.success?
 			end