Don't export internal symbols ("make smelly")
diff --git a/Python/fileutils.c b/Python/fileutils.c
index 074888e..eecbb3b 100644
--- a/Python/fileutils.c
+++ b/Python/fileutils.c
@@ -566,7 +566,7 @@
 
 #endif
 
-int
+static int
 get_inheritable(int fd, int raise)
 {
 #ifdef MS_WINDOWS