scripts/functions: use patch -i instead of IO redirection

This makes the patch name show up on the command line
logged by CT_DoExecLog so it's easier to see
what is going on. The -i for patch is specified
by Posix and supported by GNU patch and busybox patch.

Signed-off-by: Johannes Stezenbach <js@sig21.net>
[yann.morin.1998@free.fr: remove now-useless debug message]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <20121030103620.GB8303@sig21.net>
Patchwork-Id: 195418

diff -durN gcc-4.4.5.orig/gcc/config/netbsd-elf.h gcc-4.4.5/gcc/config/netbsd-elf.h

--- gcc-4.4.5.orig/gcc/config/netbsd-elf.h	2007-09-03 18:14:04.000000000 +0200

+++ gcc-4.4.5/gcc/config/netbsd-elf.h	2010-10-09 22:59:57.000000000 +0200

@@ -82,6 +82,7 @@

 #define NETBSD_LINK_SPEC_ELF \

   "%{assert*} %{R*} %{rpath*} \

    %{shared:-shared} \

+   %{symbolic:-Bsymbolic} \

    %{!shared: \

      -dc -dp \

      %{!nostdlib: \