correct exception type

Author: tulinkry

opengrok-indexer/src/main/java/org/opengrok/indexer/history/FileHistoryCache.java

@@ -35,12 +35,12 @@
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
 import java.io.Writer;
+import java.nio.file.NoSuchFileException;
 import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -790,7 +790,7 @@ public void clear(Repository repository) {
             // Remove all files which constitute the history cache.
             try {
                 IOUtils.removeRecursive(Paths.get(histDir));
-            } catch (FileNotFoundException ex) {
+            } catch (NoSuchFileException ex) {
                 LOGGER.log(Level.WARNING, "directory {} does not exist", histDir);
             } catch (IOException ex) {
                 LOGGER.log(Level.SEVERE, "tried removeRecursive()", ex);