commit 7872423673d9600012a4c1dcf352b342b0209ec3
Author: Tanmai Khanna <khanna.tanmai@gmail.com>
Date:   Fri Jun 26 18:36:01 2020 +0530

    initialise in_wblank flag:

diff --git a/apertium/transfer.cc b/apertium/transfer.cc
index d200ddd..e6030ae 100644
--- a/apertium/transfer.cc
+++ b/apertium/transfer.cc
@@ -2209,6 +2209,7 @@ Transfer::transfer(FILE *in, FILE *out)
   unsigned int prev_last = last;
   int lastrule_id = -1;
   set<int> banned_rules;
+  in_wblank = false;
 
   output = out;
   ms.init(me->getInitial());