Don't allow unescaped newlines in doc strings.
diff --git a/Modules/gdbmmodule.c b/Modules/gdbmmodule.c
index 88798b4..d916c33 100644
--- a/Modules/gdbmmodule.c
+++ b/Modules/gdbmmodule.c
@@ -213,8 +213,7 @@
 
 static char dbm_close__doc__[] = "\
 close() -> None\n\
-Closes the database.
-";
+Closes the database.";
 
 static PyObject *
 dbm_close(dp, args)