File gdb-gcore-bash.patch of Package gdb

diff --git a/gdb/gcore.in b/gdb/gcore.in
index b9770ea415..3149f6e1fe 100644
--- a/gdb/gcore.in
+++ b/gdb/gcore.in
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/bin/bash
 
 #   Copyright (C) 2003-2019 Free Software Foundation, Inc.