Rename variable to comply to codestyle standards

Author: david-fuehr

app/code/Magento/SalesRule/Model/ResourceModel/Rule/Collection.php

@@ -233,12 +233,12 @@ private function getCouponCodeSelect($couponCode)
             $this->_date->date()->format('Y-m-d')
         );
 
-        $isAutogeneratedCoupon =
+        $isAutogenerated =
             $this->getConnection()->quoteInto('main_table.coupon_type = ?', Rule::COUPON_TYPE_AUTO)
             . ' AND ' .
             $this->getConnection()->quoteInto('rule_coupons.type = ?', CouponInterface::TYPE_GENERATED);
 
-        $isValidSpecificCoupon =
+        $isValidSpecific =
             $this->getConnection()->quoteInto('(main_table.coupon_type = ?)', Rule::COUPON_TYPE_SPECIFIC)
             . ' AND (' .
             '(main_table.use_auto_generation = 1 AND rule_coupons.type = 1)'
@@ -247,7 +247,7 @@ private function getCouponCodeSelect($couponCode)
             . ')';
 
         $couponSelect->where(
-            "$notExpired AND ($isAutogeneratedCoupon OR $isValidSpecificCoupon)",
+            "$notExpired AND ($isAutogenerated OR $isValidSpecific)",
             null,
             Select::TYPE_CONDITION
         );