Convert tabs to spaces

Author: John French

modules/swagger-codegen/src/test/java/io/swagger/codegen/options/AspNetCoreServerOptionsProvider.java

@@ -11,7 +11,7 @@ public class AspNetCoreServerOptionsProvider implements OptionsProvider {
     public static final String PACKAGE_VERSION_VALUE = "1.0.0-SNAPSHOT";
     public static final String SOURCE_FOLDER_VALUE = "src_aspnetcore";
     public static final boolean PRESERVE_NEW_LINES = false;
-	
+
     @Override
     public String getLanguage() {
         return "aspnetcore";