update version.json

Author: zilongshanren

version.json

@@ -1,10 +1,10 @@
 {
-    "prebuilt_libs_version":"v3-deps-42",
-    "freetype":"2.5.0",
-    "curl":"7.39.0",
+    "prebuilt_libs_version":"v3-deps-46",
+    "freetype":"2.5.5",
+    "curl":"7.40.0",
     "jpeg":"9.0",
-    "png":"1.6.2",
+    "png":"1.6.16",
     "tiff":"4.0.3",
     "webp":"0.2.1",
-    "websockets":"v1.23-chrome32-firefox24"
+    "websockets":"v1.3-chrome37-firefox30"
 }