Capitalize drive letters in Windows paths, for consistency with Node's "path" module

Author: JamesMessinger

lib/util/url.js

@@ -202,10 +202,15 @@ exports.toFileSystemPath = function toFileSystemPath (path, keepFileProtocol) {
     }
   }
 
-  // Step 4: On Windows, convert backslashes to forward slashes,
-  // unless it's a "file://" URL
+  // Step 4: Normalize Windows paths (unless it's a "file://" URL)
   if (isWindows && !isFileUrl) {
+    // Replace forward slashes with backslashes
     path = path.replace(forwardSlashPattern, '\\');
+
+    // Capitalize the drive letter
+    if (path.substr(1, 2) === ':\\') {
+      path = path[0].toUpperCase() + path.substr(1);
+    }
   }
 
   return path;