Fix compiler warning in CsvDocsPrinter

jadconfig/documentation/printers/CsvDocsPrinter.java:[34,36] non-varargs call of varargs method with inexact argument type for last parameter;
  cast to java.lang.Object for a varargs call
  cast to java.lang.Object[] for a non-varargs call and to suppress this warning

Author: bernd

pom.xml

@@ -2,10 +2,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <prerequisites>
-        <maven>3.0.1</maven>
-    </prerequisites>
-
     <groupId>org.graylog</groupId>
     <artifactId>jadconfig</artifactId>
     <version>0.16.1-SNAPSHOT</version>

src/main/java/com/github/joschi/jadconfig/documentation/printers/CsvDocsPrinter.java

@@ -31,7 +31,7 @@ public void write(List<ConfigurationSection> sections) {
 
     private void printHeaders() {
         try {
-            csvPrinter.printRecord(HEADERS);
+            csvPrinter.printRecord((Object[]) HEADERS);
         } catch (IOException e) {
             throw new RuntimeException(e);
         }