Fix service crash when collecting a linux crash dump when maxCrashDumpCount is set to 0 (#13755)

* Fix service crash when collecting a linux crash dump when maxCrashDumpCount is set to 0

* Move the check inside the function

Author: OneBlue

src/windows/common/wslutil.cpp

@@ -594,6 +594,11 @@ std::wstring wsl::windows::common::wslutil::DownloadFile(std::wstring_view Url,
 
 void wsl::windows::common::wslutil::EnforceFileLimit(LPCWSTR Path, size_t Limit, const std::function<bool(const std::filesystem::directory_entry&)>& pred)
 {
+    if (Limit <= 0)
+    {
+        return;
+    }
+
     std::map<std::filesystem::file_time_type, std::filesystem::path> files;
     for (auto const& e : std::filesystem::directory_iterator{Path})
     {
@@ -603,7 +608,7 @@ void wsl::windows::common::wslutil::EnforceFileLimit(LPCWSTR Path, size_t Limit,
         }
     }
 
-    if (Limit < 0 || files.size() < Limit)
+    if (files.size() < Limit)
     {
         return;
     }