Remove tab indentation from compute's pom.xml

Author: mziccard

gcloud-java-compute/pom.xml

@@ -27,10 +27,10 @@
       <version>v1-rev97-1.21.0</version>
       <scope>compile</scope>
       <exclusions>
-	<exclusion>
-	  <groupId>com.google.guava</groupId>
-	  <artifactId>guava-jdk5</artifactId>
-	</exclusion>
+    <exclusion>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava-jdk5</artifactId>
+    </exclusion>
       </exclusions>
     </dependency>
     <dependency>