Removed warnings which came up with Eclipse 4.2 Juno. See Bug 1131 for more information.

java/com.googlecode.java-diff-utils.test/src/diffutils/Example.java

@@ -15,6 +15,7 @@ public class Example {
             while ((line = in.readLine()) != null) {
                 lines.add(line);
             }
+            in.close();
         } catch (IOException e) {
             e.printStackTrace();
         }

java/com.googlecode.java-diff-utils.test/src/diffutils/GenerateUnifiedDiffTest.java

@@ -26,6 +26,7 @@ public class GenerateUnifiedDiffTest extends TestCase {
             while ((line = in.readLine()) != null) {
                 lines.add(line);
             }
+            in.close();
         } catch (IOException e) {
             e.printStackTrace();
             fail(e.getMessage());