升级itextpdf包到5.5.13

ureport2-core/pom.xml

@@ -41,7 +41,7 @@
 		<dependency>
 		    <groupId>com.itextpdf</groupId>
 		    <artifactId>itextpdf</artifactId>
-		    <version>5.5.10</version>
+		    <version>5.5.13</version>
 		</dependency>
 		<dependency>
 		    <groupId>org.apache.poi</groupId>