qwt: update 5.2.1 -> 5.2.3

Remove patch that don't apply anymore; use sed instead.

pkgs/development/libraries/qwt/default.nix

@@ -1,20 +1,19 @@
 { stdenv, fetchurl, qt4 }:
 
 stdenv.mkDerivation rec {
-  name = "qwt-5.2.1";
+  name = "qwt-5.2.3";
 
   src = fetchurl {
     url = "mirror://sourceforge/qwt/${name}.tar.bz2";
-    sha256 = "17snmh8qwsgb4j2yiyzmi0s1jli14vby5wv1kv4kvjq4aisvpf72";
+    sha256 = "1dqa096mm6n3bidfq2b67nmdsvsw4ndzzd1qhl6hn8skcwqazzip";
   };
 
   propagatedBuildInputs = [ qt4 ];
 
-  patches = [ ./prefix.diff ];
-
   postPatch = ''
     sed -e "s@\$\$\[QT_INSTALL_PLUGINS\]@$out/lib/qt4/plugins@" -i designer/designer.pro
-    '';
+    sed -e "s|INSTALLBASE.*=.*|INSTALLBASE = $out|g" -i qwtconfig.pri
+  '';
 
   configurePhase = ''qmake INSTALLBASE=$out -after doc.path=$out/share/doc/${name} -r'';
 

pkgs/development/libraries/qwt/prefix.diff

@@ -1,24 +0,0 @@
-diff --git a/qwtconfig.pri b/qwtconfig.pri
-index 2be4a68..8625686 100644
---- a/qwtconfig.pri
-+++ b/qwtconfig.pri
-@@ -7,12 +7,14 @@ VER_MIN      = 2
- VER_PAT      = 1
- VERSION      = $${VER_MAJ}.$${VER_MIN}.$${VER_PAT}
- 
--unix {
--    INSTALLBASE    = /usr/local/qwt-5.2.1
--}
-+isEmpty(INSTALLBASE) {
-+    unix {
-+        INSTALLBASE    = /usr/local/qwt-5.2.1
-+    }
- 
--win32 {
--    INSTALLBASE    = C:/Qwt-5.2.1
-+    win32 {
-+        INSTALLBASE    = C:/Qwt-5.2.1
-+    }
- }
- 
- target.path    = $$INSTALLBASE/lib