minor change on comments on lock.h

<br />To match the description on <a
href="http://momjian.us/main/writings/pgsql/sgml/explicit-locking.html">http://momjian.us/main/writings/pgsql/sgml/explicit-locking.html</a><br
/><br/>*** ../../include/storage/lock.h.orig    2006-10-05 00:25: 06.000000000 -0300<br />---
../../include/storage/lock.h   2006-10-05 00:31:16.000000000 -0300<br />***************<br />*** 109,116 ****<br /> 
#defineAccessShareLock            1        /* SELECT */<br />  #define RowShareLock            2        /* SELECT FOR
UPDATE/FORSHARE */ <br />  #define RowExclusiveLock        3        /* INSERT, UPDATE, DELETE */<br />! #define
ShareUpdateExclusiveLock4        /* VACUUM (non-FULL) */<br />! #define ShareLock                5        /* CREATE
INDEX*/<br />  #define ShareRowExclusiveLock    6        /* like EXCLUSIVE MODE, but allows ROW <br />                
                         * SHARE */<br />  #define ExclusiveLock            7        /* blocks ROW
SHARE/SELECT...FOR<br/>--- 109,117 ----<br />  #define AccessShareLock            1        /* SELECT */<br />   #define
RowShareLock           2        /* SELECT FOR UPDATE/FOR SHARE */<br />  #define RowExclusiveLock        3        /*
INSERT,UPDATE, DELETE */<br />! #define ShareUpdateExclusiveLock 4        /* VACUUM (non-FULL),ANALYZE, CREATE <br
/>!                                       * INDEX CONCURRENTLY */<br />! #define ShareLock                5        /*
CREATEINDEX (WITHOUT CONCURRENTLY) */<br />  #define ShareRowExclusiveLock    6        /* like EXCLUSIVE MODE, but
allowsROW <br />                                           * SHARE */<br />  #define ExclusiveLock            7      
 /*blocks ROW SHARE/SELECT...FOR<br /><br /><br />[]'s<br />- Walter<br />