doxygen: remove unused patch; use our CXXFLAGS.

srcpkgs/doxygen/patches/doxyapp-link-libpthread.diff

@@ -1,11 +0,0 @@
---- addon/doxyapp/doxyapp.pro.in.orig	2010-10-29 09:59:54.000000000 +0200
-+++ addon/doxyapp/doxyapp.pro.in	2010-10-29 10:00:01.000000000 +0200
-@@ -2,7 +2,7 @@ TEMPLATE     =	app.t
- CONFIG       =	console warn_on debug
- HEADERS      =	
- SOURCES      =	doxyapp.cpp
--LIBS          += -L../../lib -L../../lib -ldoxygen -lqtools -lmd5 -ldoxycfg -lpng
-+LIBS          += -L../../lib -L../../lib -ldoxygen -lqtools -lmd5 -ldoxycfg -lpng -lpthread
- DESTDIR        = 
- OBJECTS_DIR    = ../../objects
- TARGET         = ../../bin/doxyapp

srcpkgs/doxygen/template

@@ -16,7 +16,7 @@ do_configure() {
 }
 
 do_build() {
-	make ${makejobs}
+	make ${makejobs} CXXFLAGS="${CXXFLAGS}"
 }
 
 do_install() {