fixup! fixup! Update vendored zlib library

Author: HexDecimal

.vscode/settings.json

@@ -14,6 +14,7 @@
     "files.trimTrailingWhitespace": true,
     "files.associations": {
         "*.spec": "python",
+        "*.in": "c"
     },
     "mypy-type-checker.importStrategy": "fromEnvironment",
     "cSpell.words": [

build_libtcod.py

@@ -162,7 +162,7 @@ def walk_sources(directory: str) -> Iterator[str]:
 
 libraries: list[str] = [*build_sdl.libraries]
 library_dirs: list[str] = [*build_sdl.library_dirs]
-define_macros: list[tuple[str, Any]] = [("Z_SOLO", None)]  # [("Py_LIMITED_API", Py_LIMITED_API)]
+define_macros: list[tuple[str, Any]] = []  # [("Py_LIMITED_API", Py_LIMITED_API)]
 
 sources += walk_sources("tcod/")
 sources += walk_sources("libtcod/src/libtcod/")
@@ -180,7 +180,7 @@ def walk_sources(directory: str) -> Iterator[str]:
     include_dirs.append("zlib/")
 
 
-if sys.platform == "darwin":
+if sys.platform != "win32":
     # Fix "implicit declaration of function 'close'" in zlib.
     define_macros.append(("HAVE_UNISTD_H", 1))