--- qmail-local.c.orig  1998-06-15
+++ qmail-local.c       2007-03-21
--- .././qmail-1.03/qmail-local.c	Mon Jun 15 12:53:16 1998
+++ ../qmail-1.03.2418/qmail-local.c	Mon Nov 22 21:55:35 2004
@@ -645,7 +645,8 @@
     {
      cmds.s[j] = 0;
      k = j;
-     while ((k > i) && (cmds.s[k - 1] == ' ') || (cmds.s[k - 1] == '\t'))
+     /* Recommended patch contributed by Matthias Andree <matthias.andree@gmx.de> */
+     while ((k > i) && ((cmds.s[k - 1] == ' ') || (cmds.s[k - 1] == '\t'))) 
        cmds.s[--k] = 0;
      switch(cmds.s[i])
       {