Fixed compiler warnings

Author: Ilia Alshanetsky

ext/pdo_oci/oci_driver.c

@@ -338,8 +338,6 @@ static long oci_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS
 
 static int oci_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen, enum pdo_param_type paramtype  TSRMLS_DC) /* {{{ */
 {
-	pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
-
 	return 0;
 }
 /* }}} */

ext/pdo_oci/oci_statement.c

@@ -642,12 +642,14 @@ static int oci_blob_flush(php_stream *stream TSRMLS_DC)
 	return 0;
 }
 
+/* TODO: implement
 static int oci_blob_seek(php_stream *stream, off_t offset, int whence, off_t *newoffset TSRMLS_DC)
 {
 	struct oci_lob_self *self = (struct oci_lob_self*)stream->abstract;
-	/* TODO: implement */
+
 	return -1;	
 }
+*/
 
 static php_stream_ops oci_blob_stream_ops = {
 	oci_blob_write,