Use flow 0.43.1

Reviewed By: nmote

Differential Revision: D4851923

fbshipit-source-id: 018f61c3a45e32c899287848d36129e3601145a4

.flowconfig

@@ -49,4 +49,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 unsafe.enable_getters_and_setters=true
 
 [version]
-^0.43.0
+^0.43.1

local-cli/templates/HelloWorld/_flowconfig

@@ -44,4 +44,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 unsafe.enable_getters_and_setters=true
 
 [version]
-^0.43.0
+^0.43.1

package.json

@@ -223,7 +223,7 @@
     "eslint-plugin-flowtype": "^2.20.0",
     "eslint-plugin-react": "^6.4.1",
     "eslint-config-fbjs": "^1.1.1",
-    "flow-bin": "^0.43.0",
+    "flow-bin": "^0.43.1",
     "jest": "19.0.2",
     "jest-repl": "19.0.2",
     "jest-runtime": "19.0.2",