fix whitespace

Author: stefan-zobel

pom.xml

@@ -3,7 +3,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.sourceforge.streamsupport</groupId>
     <artifactId>java9-concurrent-backport</artifactId>
-    <version>2.0.4</version>
+    <version>2.0.5-SNAPSHOT</version>
     <packaging>bundle</packaging>
     <name>net.sourceforge.streamsupport:java9-concurrent-backport</name>
     <description>Backport of Java 9 CompletableFuture, Flow and SubmissionPublisher API for Java 8</description>
@@ -13,14 +13,14 @@
             <name>GNU General Public License, version 2, with the Classpath Exception</name>
             <url>http://openjdk.java.net/legal/gplv2+ce.html</url>
         </license>
-		<license>
-			<name>CC0 1.0 Universal</name>
-			<url>https://creativecommons.org/publicdomain/zero/1.0/</url>
-			<comments>Creative Commons CC0 1.0 Universal license applies
-				to the source code derived from the JSR-166 project as
-				indicated in the respective source code files
-			</comments>
-		</license>
+        <license>
+            <name>CC0 1.0 Universal</name>
+            <url>https://creativecommons.org/publicdomain/zero/1.0/</url>
+            <comments>Creative Commons CC0 1.0 Universal license applies
+                to the source code derived from the JSR-166 project as
+                indicated in the respective source code files
+            </comments>
+        </license>
     </licenses>
     <developers>
         <developer>