UIEXT-3484: Fix whitespace in pom.xml

UIEXT-3484 (WebUI-Migration Find MIME-Type)

Author: tcrundall-tng

org.knime.base.filehandling.tests/pom.xml

@@ -7,10 +7,10 @@
 	</parent>
 	<artifactId>org.knime.base.filehandling.tests</artifactId>
 	<packaging>eclipse-test-plugin</packaging>
-  
-    <properties>
-        <revision>5.9.0</revision>
-    </properties>
+
+	<properties>
+		<revision>5.9.0</revision>
+	</properties>
 
 	<build>
 		<plugins>