gnu: pass-otp: Fix for bash 5.2.

* gnu/packages/password-utils.scm (pass-otp)[#:phases]
<patch-oath-path>: Add another substitution.  Remove trailing #t.

Change-Id: Ia49eea77e7175aa861f0f291d28ac31e6a4aa319
Signed-off-by: Andreas Enge <andreas@enge.fr>

gnu/packages/password-utils.scm

@@ -1046,8 +1046,10 @@ from the @code{password-store} package.  Files are encrypted with the
                 (string-append
                  "OATH="
                  (assoc-ref inputs "oath-toolkit")
-                 "/bin/oathtool\n")))
-             #t)))
+                 "/bin/oathtool\n"))
+               ;; courtesy: https://github.com/tadfisher/pass-otp/pull/172
+               (("&counter=[$]counter" all)
+                (format #f "~s" all))))))
        #:test-target "test"))
     (inputs
      (list oath-toolkit))