Fix indentation of assignment in AutoloadGeneratorTest

tests/Composer/Test/Autoload/AutoloadGeneratorTest.php

@@ -874,7 +874,7 @@ return array(
 
 EOF;
 
-    $expectedClassmap = <<<'EOF'
+        $expectedClassmap = <<<'EOF'
 <?php
 
 // autoload_classmap.php @generated by Composer
@@ -941,7 +941,7 @@ return array(
 
 EOF;
 
-    $expectedClassmap = <<<'EOF'
+        $expectedClassmap = <<<'EOF'
 <?php
 
 // autoload_classmap.php @generated by Composer