[sonar] Fix setWeights by not sending int array and instead ... (spotbugs#2856)

Author: hazendaz

eclipsePlugin/src/de/tobject/findbugs/properties/DetectorConfigurationTab.java

@@ -367,7 +367,7 @@ public void widgetSelected(SelectionEvent e) {
         GridData layoutData2 = new GridData(GridData.FILL_BOTH);
         text.setLayoutData(layoutData2);
         text.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
-        sash.setWeights(new int[] { 3, 1 });
+        sash.setWeights(3, 1);
 
         availableRulesTable.addSelectionListener(new SelectionListener() {
             @Override