[no bug] Fix build break.  Wrong Assert is used.
diff --git a/plugins/org.eclipse.wst.common.core/src-search/org/eclipse/wst/common/core/search/internal/SearchParticipantDescriptor.java b/plugins/org.eclipse.wst.common.core/src-search/org/eclipse/wst/common/core/search/internal/SearchParticipantDescriptor.java
index dadf3e3..8e39e12 100644
--- a/plugins/org.eclipse.wst.common.core/src-search/org/eclipse/wst/common/core/search/internal/SearchParticipantDescriptor.java
+++ b/plugins/org.eclipse.wst.common.core/src-search/org/eclipse/wst/common/core/search/internal/SearchParticipantDescriptor.java
@@ -16,7 +16,7 @@
 import org.eclipse.core.expressions.ExpressionConverter;
 import org.eclipse.core.expressions.ExpressionTagNames;
 import org.eclipse.core.expressions.IEvaluationContext;
-import org.eclipse.core.internal.expressions.Assert;
+import org.eclipse.core.runtime.Assert; 
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.wst.common.core.search.SearchParticipant;