coverity#1326899 HE: Equal objects must have equal hashcodes

and...

coverity#1326898 HE: Equal objects must have equal hashcodes
coverity#1326897 HE: Equal objects must have equal hashcodes
coverity#1326896 HE: Equal objects must have equal hashcodes
coverity#1326895 HE: Equal objects must have equal hashcodes

Change-Id: Ic9cb7542c1bf0608a97e5b4756b737cdf1bb4bd8

scripting/java/com/sun/star/script/framework/container/ScriptEntry.java

@@ -85,6 +85,11 @@ public class ScriptEntry implements Cloneable {
                location.equals(other.getLocation());
     }
 
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+
     public Map<String, String> getLanguageProperties() {
         return languagedepprops;
     }

scripting/java/com/sun/star/script/framework/container/ScriptMetaData.java

@@ -70,6 +70,11 @@ public class ScriptMetaData extends ScriptEntry {
         return super.equals(other) && hasSource == other.hasSource();
     }
 
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+
     public String getScriptFullURL() {
         String url = "vnd.sun.star.script:" + parent.getName() + "."
                      + getLanguageName() + "?" + "language=" + getLanguage()

xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/PalmDB.java

@@ -351,4 +351,10 @@ public final class PalmDB {
 
         return bool;
     }
-}
\ No newline at end of file
+
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+
+}

xmerge/source/xmerge/java/org/openoffice/xmerge/converter/palm/Record.java

@@ -167,4 +167,10 @@ public final class Record {
         }
         return false;
     }
-}
\ No newline at end of file
+
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+
+}

xmerge/source/xmerge/java/org/openoffice/xmerge/merger/Difference.java

@@ -175,6 +175,11 @@ public final class Difference {
         return false;
     }
 
+    @Override
+    public int hashCode() {
+        return 0;
+    }
+
     /**
      * Display debug information.
      *
@@ -215,4 +220,4 @@ public final class Difference {
 
         return orgPosition + " " + modPosition + " " + operation;
     }
-}
\ No newline at end of file
+}