Fixed composer autoload declaration.

extensions/composer/composer.json

@@ -22,6 +22,6 @@
 		"yiisoft/yii2": "*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\composer": "" }
+		"psr-0": { "yii\\composer\\": "" }
 	}
 }

extensions/jui/composer.json

@@ -16,6 +16,6 @@
 		"yiisoft/yii2": "*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\jui": "" }
+		"psr-0": { "yii\\jui\\": "" }
 	}
 }

extensions/mutex/composer.json

@@ -22,6 +22,6 @@
 		"yiisoft/yii2": "*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\mutex": "" }
+		"psr-0": { "yii\\mutex\\": "" }
 	}
 }

extensions/smarty/composer.json

@@ -23,6 +23,6 @@
 		"smarty/smarty": "v3.1.13"
 	},
 	"autoload": {
-		"psr-0": { "yii\\smarty": "" }
+		"psr-0": { "yii\\smarty\\": "" }
 	}
 }

extensions/twig/composer.json

@@ -23,6 +23,6 @@
 		"twig/twig": "1.13.*"
 	},
 	"autoload": {
-		"psr-0": { "yii\\twig": "" }
+		"psr-0": { "yii\\twig\\": "" }
 	}
 }