Fix glob patterns to work on Windows

pkg/analysis_server/lib/src/plugin/server_plugin.dart

Index: pkg/analysis_server/lib/src/plugin/server_plugin.dart
diff --git a/pkg/analysis_server/lib/src/plugin/server_plugin.dart b/pkg/analysis_server/lib/src/plugin/server_plugin.dart
index 4aa0c8f4364c3c032c5dbdc5855ee5acc9a7d1c9..b4de83ffef3404312e5bc0470a36a41eb4373aaf 100644
--- a/pkg/analysis_server/lib/src/plugin/server_plugin.dart
+++ b/pkg/analysis_server/lib/src/plugin/server_plugin.dart
@@ -276,10 +276,10 @@ class ServerPlugin implements Plugin {
     // Register analyzed file patterns.
     //
     List<String> patterns = <String>[
-      '/**/*.${AnalysisEngine.SUFFIX_DART}',
-      '/**/*.${AnalysisEngine.SUFFIX_HTML}',
-      '/**/*.${AnalysisEngine.SUFFIX_HTM}',
-      '/**/${AnalysisEngine.ANALYSIS_OPTIONS_FILE}'
+      '{*:/,/}**/*.${AnalysisEngine.SUFFIX_DART}',
+      '{*:/,/}**/*.${AnalysisEngine.SUFFIX_HTML}',
+      '{*:/,/}**/*.${AnalysisEngine.SUFFIX_HTM}',
+      '{*:/,/}**/${AnalysisEngine.ANALYSIS_OPTIONS_FILE}'
     ];
     registerExtension(ANALYZED_FILE_PATTERNS_EXTENSION_POINT_ID, patterns);
     //