Bug 550245 - ApiBaselinePreferencePage shoud use fast hash lookup

Change-Id: If74404352a0b9efcaf67cd1aa5fbf5f663b32048
Signed-off-by: Lars Vogel <Lars.Vogel@vogella.com>
diff --git a/apitools/org.eclipse.pde.api.tools.ui/src/org/eclipse/pde/api/tools/ui/internal/preferences/ApiBaselinePreferencePage.java b/apitools/org.eclipse.pde.api.tools.ui/src/org/eclipse/pde/api/tools/ui/internal/preferences/ApiBaselinePreferencePage.java
index ab76697..944d56a 100644
--- a/apitools/org.eclipse.pde.api.tools.ui/src/org/eclipse/pde/api/tools/ui/internal/preferences/ApiBaselinePreferencePage.java
+++ b/apitools/org.eclipse.pde.api.tools.ui/src/org/eclipse/pde/api/tools/ui/internal/preferences/ApiBaselinePreferencePage.java
@@ -119,6 +119,7 @@
 			}
 		}));
 		tableviewer = new CheckboxTableViewer(table);
+		tableviewer.setUseHashlookup(true);
 		tableviewer.setLabelProvider(new BaselineLabelProvider());
 		tableviewer.setContentProvider(ArrayContentProvider.getInstance());
 		tableviewer.addDoubleClickListener(event -> {