pom.xml: unbreak ddl generation.

During updates validation-api artifact in commit
f3495a5 I forgot to update it
in hibernate3-maven-plugin and broke it.

Author: php-coder

pom.xml

@@ -20,6 +20,7 @@
 		<spring.version>3.2.0.M1</spring.version>
 		<spring.data.version>1.1.0.RELEASE</spring.data.version>
 		<h2.version>1.3.167</h2.version>
+		<javax.validation.version>1.1.0.Alpha1</javax.validation.version>
 
 		<testng.version>6.5.2</testng.version>
 
@@ -60,7 +61,7 @@
 		<dependency>
 			<groupId>javax.validation</groupId>
 			<artifactId>validation-api</artifactId>
-			<version>1.1.0.Alpha1</version>
+			<version>${javax.validation.version}</version>
 		</dependency>
 
 		<dependency>
@@ -435,7 +436,7 @@
 					<dependency>
 						<groupId>javax.validation</groupId>
 						<artifactId>validation-api</artifactId>
-						<version>1.0.0.GA</version>
+						<version>${javax.validation.version}</version>
 					</dependency>
 					<!--
 						Explicitly add dependency to jboss-logging (which used by