fix(asm): skip compilation of _taint_tracking for Windows OS (#5175)

This change skips compilation of this WIP feature under Windows, which
is currently failing on 1.x

Author: gnufede

setup.py

@@ -291,20 +291,20 @@ def get_exts_for(name):
                 extra_compile_args=debug_compile_args,
             )
         )
-    if sys.version_info >= (3, 6, 0):
-        ext_modules.append(
-            Extension(
-                "ddtrace.appsec.iast._taint_tracking",
-                # Sort source files for reproducibility
-                sources=sorted(
-                    glob.glob(
-                        os.path.join(HERE, "ddtrace", "appsec", "iast", "_taint_tracking", "**", "*.cpp"),
-                        recursive=True,
-                    )
-                ),
-                extra_compile_args=debug_compile_args + ["-std=c++17"],
+        if sys.version_info >= (3, 6, 0):
+            ext_modules.append(
+                Extension(
+                    "ddtrace.appsec.iast._taint_tracking",
+                    # Sort source files for reproducibility
+                    sources=sorted(
+                        glob.glob(
+                            os.path.join(HERE, "ddtrace", "appsec", "iast", "_taint_tracking", "**", "*.cpp"),
+                            recursive=True,
+                        )
+                    ),
+                    extra_compile_args=debug_compile_args + ["-std=c++17"],
+                )
             )
-        )
 else:
     ext_modules = []