Fix a typo in PC/_subprocess.c
diff --git a/PC/_subprocess.c b/PC/_subprocess.c
index ec93d25..fdcc55b 100644
--- a/PC/_subprocess.c
+++ b/PC/_subprocess.c
@@ -463,7 +463,7 @@
     }
 
     if (environment) {
-        wenvironment = PyUnicode_AsUnicode(environment)
+        wenvironment = PyUnicode_AsUnicode(environment);
         if (wenvironment == NULL)
         {
             Py_XDECREF(environment);