fix to the valid_addr problem

For those that want to get this patched rather quickly I am including the following patch. It patches the problem that Gordon found. This is in the baseline and will be in the final 2.0 beta.

-- 
Kent Landfield                        Phone: 1-817-545-2502             
Email: kent_at_landfield.com             http://www.landfield.com/
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------------------ Cut here for invalid address patch ----------------



*** string.c	Tue Sep  8 14:30:39 1998

--- /www/hypermail/hypermail-20b3/src/string.c	Thu Aug 20 18:12:36 1998
***************


*** 690,706 ****

                        lastpos = input;
                        continue;
                    }
-                   else { /* bad address */
-                      size = strlen(mailaddr);
-                      if(out + size > outsize)
-                         break;
-                       strcpy(output, mailaddr);
-                       output += size;
-                       out += size;
-                       input = ptr + strlen(mailbuff) +1;
-                       lastpos = input;
-                       continue;
-                   }
                }
            }
            /* no address, continue from here */