fix

composer.json

@@ -1,7 +1,7 @@
 {
-    "name": "sdk/qt512-mingw-x64",
+    "name": "sdk/qt512-mingw64",
     "type": "library",
-    "description": "qt512-mingw-x64",
+    "description": "qt512-mingw64",
     "license": "MIT",
     "minimum-stability": "dev",
     "repositories": {