gnu: qt-4: Upgrade to 4.8.6.

* gnu/packages/qt.scm (qt-4): Upgrade to 4.8.6.

gnu/packages/qt.scm

@@ -150,7 +150,7 @@ (define-public qt
 
 (define-public qt-4
   (package (inherit qt)
-    (version "4.8.5")
+    (version "4.8.6")
     (source (origin
              (method url-fetch)
              (uri (string-append "http://download.qt-project.org/official_releases/qt/"
@@ -160,7 +160,7 @@ (define-public qt-4
                                  version ".tar.gz"))
              (sha256
               (base32
-               "0f51dbgn1dcck8pqimls2qyf1pfmsmyknh767cvw87c3d218ywpb"))
+               "0b036iqgmbbv37dgwwfihw3mihjbnw3kb5kaisdy0qi8nn8xs54b"))
              (patches (list (search-patch "qt4-tests.patch")))))
     (inputs `(,@(alist-delete "libjpeg" (package-inputs qt))
               ("libjepg" ,libjpeg-8)