Consistent use of tabs for indentation in pom files

spring-boot-docs/pom.xml

@@ -105,16 +105,16 @@
 			<artifactId>log4j</artifactId>
 			<optional>true</optional>
 		</dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-api</artifactId>
-            <optional>true</optional>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <optional>true</optional>
-        </dependency>
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-api</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.logging.log4j</groupId>
+			<artifactId>log4j-core</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>

spring-boot-tools/spring-boot-loader/src/it/executable-war/pom.xml

@@ -6,9 +6,9 @@
 	<artifactId>executable-war</artifactId>
 	<version>0.0.1.BUILD-SNAPSHOT</version>
 	<packaging>war</packaging>
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    </properties>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
 	<build>
 		<plugins>
 			<plugin>