Made Project Buildable. Just realized Project cant be Build for Others

EscapeTheBackroomsGUiTest/vcpkg_Out/include/cpr/curlholder.h

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+#ifndef CPR_CURL_HOLDER_H
+#define CPR_CURL_HOLDER_H
+
+#include <array>
+#include <mutex>
+#include <string>
+
+#include <curl/curl.h>
+
+namespace cpr {
+struct CurlHolder {
+  private:
+    /**
+     * Mutex for curl_easy_init().
+     * curl_easy_init() is not thread save.
+     * References:
+     * https://curl.haxx.se/libcurl/c/curl_easy_init.html
+     * https://curl.haxx.se/libcurl/c/threadsafe.html
+     **/
+
+    // Avoids initalization order problems in a static build
+    static std::mutex& curl_easy_init_mutex_() {
+        static std::mutex curl_easy_init_mutex_;
+        return curl_easy_init_mutex_;
+    }
+
+  public:
+    CURL* handle{nullptr};
+    struct curl_slist* chunk{nullptr};
+    struct curl_httppost* formpost{nullptr};
+    std::array<char, CURL_ERROR_SIZE> error{};
+
+    CurlHolder();
+    CurlHolder(const CurlHolder& other) = default;
+    CurlHolder(CurlHolder&& old) noexcept = default;
+    ~CurlHolder();
+
+    CurlHolder& operator=(CurlHolder&& old) noexcept = default;
+    CurlHolder& operator=(const CurlHolder& other) = default;
+
+    /**
+     * Uses curl_easy_escape(...) for escaping the given string.
+     **/
+    std::string urlEncode(const std::string& s) const;
+
+    /**
+     * Uses curl_easy_unescape(...) for unescaping the given string.
+     **/
+    std::string urlDecode(const std::string& s) const;
+};
+} // namespace cpr
+
+#endif