Fix a type error in a previous patch I made to this module.
I should not ignore compiler warnings!
diff --git a/Modules/dbmmodule.c b/Modules/dbmmodule.c
index 816251a..a6c9e99 100644
--- a/Modules/dbmmodule.c
+++ b/Modules/dbmmodule.c
@@ -134,7 +134,7 @@
 	if (w == NULL) {
 		if ( dbm_delete(dp->di_dbm, krec) < 0 ) {
 			dbm_clearerr(dp->di_dbm);
-			PyErr_SetString(PyExc_KeyError, v);
+			PyErr_SetObject(PyExc_KeyError, v);
 			return -1;
 		}
 	} else {