libpff: remove useless debian patches

app-forensics/libpff/files/02-fix-FTBFS-GCC5.patch

@@ -1,17 +0,0 @@
-Description: fix a FTBFS with GCC-5. Thanks to Linn Crosetto <linn@hp.com> for
-             the first fix (see #777938). This patch closes #777966.
-Author: Joao Eriberto Mota Filho <eriberto@debian.org>
-Last-Update: 2015-07-02
-Index: libpff-20120802/libuna/Makefile.am
-===================================================================
---- libpff-20120802.orig/libuna/Makefile.am
-+++ libpff-20120802/libuna/Makefile.am
-@@ -4,7 +4,7 @@ AM_CPPFLAGS = \
- 	-I$(top_srcdir)/common \
- 	@LIBCSTRING_CPPFLAGS@ \
- 	@LIBCERROR_CPPFLAGS@ \
--	@MEMWATCH_CPPFLAGS@
-+	@MEMWATCH_CPPFLAGS@ -std=gnu89
- 
- noinst_LTLIBRARIES = libuna.la
- 

dev-libs/libcpath/libcpath-20170108_alpha.ebuild

@@ -27,7 +27,6 @@ RDEPEND="${DEPEND}"
 S="${WORKDIR}/${PN}-${MY_PV}"
 
 src_configure() {
-	epatch ${FILESDIR}/01-fix-FTBFS-hurd-386.patch
 	econf $(use_enable nls) \
 		$(use_with nls libiconv-prefix) \
 		$(use_with nls libintl-prefix) \