gnu: curl: Use 'modify-phases'.

* gnu/packages/curl.scm (curl)[arguments]: Use 'modify-phases'.

gnu/packages/curl.scm

@@ -63,7 +63,8 @@ (define-public curl
     `(#:configure-flags '("--with-gnutls" "--with-gssapi")
       ;; Add a phase to patch '/bin/sh' occurances in tests/runtests.pl
       #:phases
-      (alist-replace
+      (modify-phases %standard-phases
+        (replace
          'check
          (lambda _
            (substitute* "tests/runtests.pl"
@@ -95,8 +96,7 @@ (define-public curl
            ;; The top-level "make check" does "make -C tests quiet-test", which
            ;; is too quiet.  Use the "test" target instead, which is more
            ;; verbose.
-         (zero? (system* "make" "-C" "tests" "test")))
-       %standard-phases)))
+           (zero? (system* "make" "-C" "tests" "test")))))))
    (synopsis "Command line tool for transferring data with URL syntax")
    (description
     "curl is a command line tool for transferring data with URL syntax,