Do not exist the command-line shell if a ".read" command invokes a script that

contains two errors.  But reported on the mailing list.

FossilOrigin-Name: 2e5e65152758bc37439584ccba4c1b1c5ceb24f8

src/shell.c

@@ -2711,7 +2711,7 @@ static int process_input(struct callback_data *p, FILE *in){
     free(zSql);
   }
   free(zLine);
-  return errCnt;
+  return errCnt>0;
 }
 
 /*