Bump deps/libtommath from 8314bde to 138309c

Bumps [deps/libtommath](https://github.com/libtom/libtommath) from `8314bde` to `138309c`.
- [Release notes](https://github.com/libtom/libtommath/releases)
- [Commits](8314bde5e5...138309cfdc)

---
updated-dependencies:
- dependency-name: deps/libtommath
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

README.md

@@ -91,13 +91,15 @@ All files will be closed upon GSC restart (map_restart or fast_restart or missio
 
 * `<array of strings> FS_ListFiles(<folder string>)` Returns a list of files inside of the folder given.
   ```gsc
-  files = FS_ListFiles("testfolder/");
+  folder = "testfolder/";
+  files = FS_ListFiles(folder);
 
   for (i = 0; i < files.size; i++)
   {
-    file = files[i]; // will be "testfolder/<filename>"
+    filename = files[i];
 
     // do something with the filename
+    filepath = folder + filename;
   }
   ```
 

src/component/fileio.cpp

@@ -404,14 +404,7 @@ namespace fileio
 
 			gsc::function::add("fs_listfiles", []()
 				{
-					std::string dir = game::Scr_GetString(0, game::SCRIPTINSTANCE_SERVER);
-
-					if (dir.ends_with("\\") || dir.ends_with("/"))
-					{
-						dir = dir.substr(0, dir.length() - 1);
-					}
-
-					auto fpath = build_base_path(dir);
+					auto fpath = build_base_path(game::Scr_GetString(0, game::SCRIPTINSTANCE_SERVER));
 
 					int numfiles;
 					auto* files = game::FS_ListFiles(fpath.c_str(), "", game::FS_LIST_ALL, &numfiles);
@@ -419,7 +412,7 @@ namespace fileio
 					game::Scr_MakeArray(game::SCRIPTINSTANCE_SERVER);
 					for (int i = 0; i < numfiles; i++)
 					{
-						game::Scr_AddString(game::SCRIPTINSTANCE_SERVER, (dir + "/" + files[i]).c_str());
+						game::Scr_AddString(game::SCRIPTINSTANCE_SERVER, files[i]);
 						game::Scr_AddArray(game::SCRIPTINSTANCE_SERVER);
 					}