Update incremental.sql

Author: borjavb

dbt/include/bigquery/macros/materializations/incremental.sql

@@ -79,14 +79,14 @@
   {%- set target_relation = this %}
   {%- set existing_relation = load_relation(this) %}
   {%- set temp_schema = config.get('temp_schema') -%}
-  {%- if temp_schema_suffix is not none-%}
+  {%- if temp_schema is not none-%}
       {%- set temp_relation = this.incorporate(path={
         "schema": temp_schema
         }) -%}
         {%- do create_schema(temp_relation) -%}
   {% endif %}
   {%- set tmp_relation = make_temp_relation(temp_relation) %}
-  
+
   {#-- Validate early so we don't run SQL if the strategy is invalid --#}
   {% set strategy = dbt_bigquery_validate_get_incremental_strategy(config) -%}