Merge pull request #7479 from staabm/patch-2

Removed unused variables

src/Composer/DependencyResolver/RuleSetGenerator.php

@@ -199,7 +199,7 @@ class RuleSetGenerator
 
                 $possibleRequires = $this->pool->whatProvides($link->getTarget(), $link->getConstraint());
 
-                $this->addRule(RuleSet::TYPE_PACKAGE, $rule = $this->createRequireRule($package, $possibleRequires, Rule::RULE_PACKAGE_REQUIRES, $link));
+                $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRequireRule($package, $possibleRequires, Rule::RULE_PACKAGE_REQUIRES, $link));
 
                 foreach ($possibleRequires as $require) {
                     $workQueue->enqueue($require);
@@ -241,10 +241,10 @@ class RuleSetGenerator
                 }
 
                 if (($package instanceof AliasPackage) && $package->getAliasOf() === $provider) {
-                    $this->addRule(RuleSet::TYPE_PACKAGE, $rule = $this->createRequireRule($package, array($provider), Rule::RULE_PACKAGE_ALIAS, $package));
+                    $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRequireRule($package, array($provider), Rule::RULE_PACKAGE_ALIAS, $package));
                 } elseif (!$this->obsoleteImpossibleForAlias($package, $provider)) {
                     $reason = ($packageName == $provider->getName()) ? Rule::RULE_PACKAGE_SAME_NAME : Rule::RULE_PACKAGE_IMPLICIT_OBSOLETES;
-                    $this->addRule(RuleSet::TYPE_PACKAGE, $rule = $this->createRule2Literals($package, $provider, $reason, $package));
+                    $this->addRule(RuleSet::TYPE_PACKAGE, $this->createRule2Literals($package, $provider, $reason, $package));
                 }
             }
         }