Fix "infix modifier required" errors in project

generators/src/org/jetbrains/kotlin/generators/builtins/generateBuiltIns.kt

@@ -82,7 +82,7 @@ fun main(args: Array<String>) {
     generateBuiltIns { file, generator ->
         println("generating $file")
         file.getParentFile()?.mkdirs()
-        PrintWriter(file) use {
+        PrintWriter(file).use {
             generator(it).generate()
         }
     }

generators/tests/org/jetbrains/kotlin/generators/builtins/GenerateBuiltInsTest.kt

@@ -28,7 +28,7 @@ class GenerateBuiltInsTest : UsefulTestCase() {
     fun testBuiltInsAreUpToDate() {
         generateBuiltIns { file, generator ->
             val sw = StringWriter()
-            PrintWriter(sw) use {
+            PrintWriter(sw).use {
                 generator(it).generate()
             }