added spring expression dependency to maven pom

git-svn-id: https://src.springframework.org/svn/spring-framework/trunk@2957 50f2f4bb-b051-0410-bef5-90022cba6387

org.springframework.web.servlet/pom.xml

@@ -181,6 +181,12 @@
 			<version>${project.version}</version>
 			<scope>compile</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-expression</artifactId>
+			<version>${project.version}</version>
+			<scope>compile</scope>
+		</dependency>		
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-oxm</artifactId>