fixed printing of hex numbers when converting them to RAW(4)

castor/db/oracleCommon.sql

@@ -348,7 +348,7 @@ END;
 /* Small utility function to convert an hexadecimal string (8 digits) into a RAW(4) type */
 CREATE OR REPLACE FUNCTION strToRaw4(v VARCHAR2) RETURN RAW IS
 BEGIN
-  RETURN hexToRaw(ltrim(to_char(to_number(v, 'XXXXXXXX'), '0XXXXXXXX')));
+  RETURN hexToRaw(ltrim(to_char(to_number(v, 'XXXXXXXX'), '0XXXXXXX')));
 END;
 /