gnu: tbb: Use modify-phases syntax.

* gnu/packages/tbb.scm (tbb)[arguments]: Use "modify-phases" syntax.

gnu/packages/tbb.scm

@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2015, 2016 Ricardo Wurmus <rekado@elephly.net>
 ;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
 ;;;
 ;;; This file is part of GNU Guix.
@@ -49,15 +49,15 @@
      `(#:test-target "test"
        #:make-flags (list (string-append "LDFLAGS=-Wl,-rpath="
                                          (assoc-ref %outputs "out") "/lib"))
-       #:phases (alist-replace
-                 'configure
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
            (lambda* (#:key outputs #:allow-other-keys)
              (substitute* "build/linux.gcc.inc"
                (("LIB_LINK_FLAGS =")
                 (string-append "LIB_LINK_FLAGS = -Wl,-rpath="
-                                     (assoc-ref outputs "out") "/lib"))))
-                 (alist-replace
-                  'install
+                               (assoc-ref outputs "out") "/lib")))))
+         (replace 'install
            (lambda* (#:key outputs #:allow-other-keys)
              (let* ((doc      (string-append
                                (assoc-ref outputs "doc") "/doc"))
@@ -76,8 +76,7 @@
                (copy-recursively "doc" doc)
                (copy-recursively "examples" examples)
                (copy-recursively "include" include)
-                      #t))
-                  %standard-phases))))
+               #t))))))
     (home-page "https://www.threadingbuildingblocks.org")
     (synopsis "C++ library for parallel programming")
     (description