fix up the formatting a bit for directory watcher errors

build_runner/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 2.1.9-dev
+
+- Fix up the formatting a bit for the error message that is logged when we get
+  errors from the directory watcher.
+
 ## 2.1.8
 
 - Support null stack traces coming from the build runner script isolate.

build_runner/lib/src/watcher/graph_watcher.dart

@@ -59,7 +59,7 @@ class PackageGraphWatcher {
                   'Error from directory watcher for package:${w.node.name}\n\n'
                   'If you see this consistently then it is recommended that '
                   'you enable the polling file watcher with '
-                  '--use-polling-watcher.',
+                  '--use-polling-watcher.\n\n',
                   e,
                   s);
             }))

build_runner/pubspec.yaml

@@ -1,5 +1,5 @@
 name: build_runner
-version: 2.1.8
+version: 2.1.9-dev
 description: A build system for Dart code generation and modular compilation.
 repository: https://github.com/dart-lang/build/tree/master/build_runner