Avoid compilation errors due to undefined OCI_ATTR_SPOOL_AUTH in Oracle
instantclient 11.2.0.0.2.  That symbol is included from version 11.2.0.1
onwards, but there is no preprocessor macro to check for that version number
detail.  Therefore checking for the actual macro we rely on seems safest.

2010-07-30 Martin von Gagern

References:
http://bugs.gentoo.org/327589

Index: php-5.3.3/ext/oci8/oci8.c
===================================================================
--- php-5.3.3.orig/ext/oci8/oci8.c
+++ php-5.3.3/ext/oci8/oci8.c
@@ -2653,7 +2653,7 @@ static php_oci_spool *php_oci_create_spo
 	poolmode = OCI_SPC_HOMOGENEOUS;
 #endif
 
-#if ((OCI_MAJOR_VERSION > 11) || ((OCI_MAJOR_VERSION == 11) && (OCI_MINOR_VERSION >= 2)))
+#if ((OCI_MAJOR_VERSION > 11) || ((OCI_MAJOR_VERSION == 11) && (OCI_MINOR_VERSION >= 2) && defined(OCI_ATTR_SPOOL_AUTH)))
 	/* Allocate auth handle for session pool {{{ */
 	PHP_OCI_CALL_RETURN(OCI_G(errcode), OCIHandleAlloc, (session_pool->env, (dvoid **)&(spoolAuth), OCI_HTYPE_AUTHINFO, 0, NULL));