need to change shebang to bash because we're using bashisms

patches/eowyn.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 #
 #     "I will be a shieldmaiden no longer,
 #      nor vie with the great Riders, nor
@@ -13,8 +13,6 @@
 # to convalesce in the healed directory.
 #
 
-set -e
-
 # We run from the patches dir. Go there now if not already.
 cd $(dirname $(realpath $0))
 pwd # Show it upon the screen so all shall be made apparent.