missing close calls on some Closeable objects

h2/src/main/org/h2/command/dml/SelectUnion.java

@@ -242,6 +242,7 @@ public class SelectUnion extends Query {
                     result.addRow(values);
                 }
             }
+            temp.close();
             break;
         }
         default:

h2/src/test/org/h2/test/unit/TestPerfectHash.java

@@ -12,7 +12,6 @@ import java.util.BitSet;
 import java.util.HashSet;
 import java.util.Random;
 import java.util.Set;
-
 import org.h2.dev.hash.MinimalPerfectHash;
 import org.h2.dev.hash.MinimalPerfectHash.LongHash;
 import org.h2.dev.hash.MinimalPerfectHash.StringHash;
@@ -63,6 +62,7 @@ public class TestPerfectHash extends TestBase {
             }
 
         };
+        f.close();
         HashSet<Text> set = new HashSet<Text>();
         Text t = new Text(data, 0);
         while (true) {

h2/src/tools/org/h2/dev/fs/ArchiveTool.java

@@ -781,6 +781,7 @@ public class ArchiveTool {
         byte[] header = new byte[4];
         dataIn.readFully(header);
         if (!Arrays.equals(header, HEADER)) {
+            tempOut.close();
             throw new IOException("Invalid header");
         }
         long size = readVarLong(dataIn);

h2/src/tools/org/h2/dev/util/ThreadDumpFilter.java

@@ -36,5 +36,7 @@ public class ThreadDumpFilter {
                 } while(s != null && (s.length() == 0 || " \t\"".indexOf(s.charAt(0)) >= 0));
             }
         }
+        writer.close();
+        in.close();
     }
 }