Fix for issue#3880:Core matching rules don't support unicode characters

sin

26.24.2009 81478c69903dbcd299e2748a3a37857647f8fa70

 opends/src/server/org/opends/server/schema/CaseIgnoreIA5SubstringMatchingRule.java

@@ -30,7 +30,7 @@

import static org.opends.messages.SchemaMessages.*;
import static org.opends.server.schema.SchemaConstants.*;
import static org.opends.server.util.StaticUtils.*;
import static org.opends.server.schema.StringPrepProfile.*;

import java.util.Collection;
import java.util.Collections;
@@ -147,7 +147,7 @@
         throws DirectoryException
  {
    StringBuilder buffer = new StringBuilder();
    toLowerCase(value, buffer, true);
    prepareUnicode(buffer, value, TRIM, CASE_FOLD);

    int bufferLength = buffer.length();
    if (bufferLength == 0)
@@ -233,7 +233,7 @@
    // normalizing a full value with the exception that it may include an
    // opening or trailing space.
    StringBuilder buffer = new StringBuilder();
    toLowerCase(substring, buffer, false);
    prepareUnicode(buffer, substring, false, CASE_FOLD);

    int bufferLength = buffer.length();
    if (bufferLength == 0)