some more changes from RC2 testing

git-svn-id: http://svn.perl.org/modules/dbd-oracle/trunk@11606 50811bd7-b8ce-0310-adc1-d9db26280581

Oracle.pm

@@ -1184,12 +1184,11 @@ If you get past this stage and get a
 error then the most likely cause is DBD::ORACLE cannot find your .ORA (TNSNAMES.ORA, LISTENER.ORA, SQLNET.ORA) files. This can be solved by setting the 
 TNS_ADMIN environment variable to the directory where these files can be found.
 
-If you get to this stage you then either of  the following errors;
+If you get to this stage and you then either one of the following errors;
 
   ORA-12560: TNS:protocol adapter error
   ORA-12162: TNS:net service name is incorrectly specified 
 
-
 usually means that DBD::Oracle can find the listener but the it cannot connect to the DB because the listener cannot find the DB you asked for. 
 
 =head2 Connection Examples Using DBD::Oracle

Oracle.xs

@@ -21,7 +21,7 @@ constant(name=Nullch)
     ORA_CHAR	 =  96
     ORA_CHARZ	 =  97
     ORA_MLSLABEL = 105
-    ORA_XMLTYPE	 = 108
+    ORA_XMLTYPE	 = ORA_XMLTYPE
     ORA_CLOB	 = 112
     ORA_BLOB	 = 113
     ORA_RSET	 = 116

oci8.c

@@ -242,7 +242,7 @@ oci_mode(ub4  mode)
 /*		case OCI_SUPPRESS_NLS_VALIDATION:  return "SUPPRESS_NLS_VALIDATION";   suppress nls validation*/
 													 /* 	  nls validation suppression is on by default;*/
 													  /*   use OCI_ENABLE_NLS_VALIDATION to disable it */
-		case OCI_MUTEX_TRY:                return "MUTEX_TRY";    /* try and acquire mutex */
+/*		case OCI_MUTEX_TRY:                return "MUTEX_TRY";     try and acquire mutex */
 /*		case OCI_NCHAR_LITERAL_REPLACE_ON: return "NCHAR_LITERAL_REPLACE_ON";  nchar literal replace on */
 /*		case OCI_NCHAR_LITERAL_REPLACE_OFF:return "NCHAR_LITERAL_REPLACE_OFF";  nchar literal replace off*/
 /*		case OCI_ENABLE_NLS_VALIDATION:    return "ENABLE_NLS_VALIDATION";     enable nls validation */