Add more recent version of libcurl.dll

The libcurl.dll that comes with FLGS is pretty old and is known to be picked up by quite a lot of antivirus programs. In this commit a more recent version of the library has been added; this one has no false positives according to virustotal.com.

EXE/libcurl_COPYING.txt

@@ -0,0 +1,22 @@
+COPYRIGHT AND PERMISSION NOTICE
+
+Copyright (c) 1996 - 2023, Daniel Stenberg, <daniel@haxx.se>, and many
+contributors, see the THANKS file.
+
+All rights reserved.
+
+Permission to use, copy, modify, and distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright
+notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall not
+be used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization of the copyright holder.

README.md

@@ -98,6 +98,8 @@ Have something to contribute to make the mod even better? Feel free to create a
   - [flplusplus](https://github.com/CallumDev/flplusplus)
 - [crosire](https://github.com/crosire) et al.
   - [ReShade](https://github.com/crosire/reshade)
+- [Daniel Stenberg](https://github.com/bagder) et al.
+  - [curl](https://github.com/curl/curl)
 - Dege
   - [dgVoodoo2](http://dege.freeweb.hu/dgVoodoo2/dgVoodoo2/)
 - [dmutlu](https://github.com/dmutlu)