newlib: fix extract process for custom version

newlib: fix extract process for custom version

If the user specifies the use of a custom newlib version, the logic in the
extract function was reversed, so this step would fail.

Signed-off-by: Trevor Woerner <trevor.woerner@linaro.org>
[yann.morin.1998@free.fr: keep leading indentation]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-Id: <c727adf1b7bd2c1e891d.1393353347@openSUSE-i7>
Patchwork-Id: 324060

diff -urN glibc-2.10.1-orig/manual/Makefile glibc-2.10.1/manual/Makefile

--- glibc-2.10.1-orig/manual/Makefile 2006-01-07 22:43:47.000000000 -0800

+++ glibc-2.10.1/manual/Makefile 2014-01-15 11:49:08.256982014 -0800

@@ -232,7 +232,11 @@

 .PHONY: stubs

 stubs: $(objpfx)stubs

 endif

-$(objpfx)stubs ../po/manual.pot $(objpfx)stamp%:

+$(objpfx)stamp%:

+	$(make-target-directory)

+	touch $@

+

+$(objpfx)stubs ../po/manual.pot:

 	$(make-target-directory)

 	touch $@