ANSIfications: fix empty arglists, and remove the checks for
'HAVE_STDARG_PROTOTYPES' (consider it true, remove false branch)
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index 41fffc0..95e9f02 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -376,7 +376,7 @@
    
  */
 
-extern DL_IMPORT(const char*) PyUnicode_GetDefaultEncoding();
+extern DL_IMPORT(const char*) PyUnicode_GetDefaultEncoding(void);
 
 /* Sets the currently active default encoding.