Update gpg-error to 1.11

contrib/src/gpg-error/SHA512SUMS

-438f922a3a4fa7db22ba9b68deab18c663afbc8166ddeee487b7eb0a9ee04ce84bbc871ad31bf11a7c77322948869a2dc5014cf6a73b68d8f10fcf7e24d165d5  libgpg-error-1.10.tar.bz2
+1c05dec32bba0a3ff9b238559161cfe5ea70fdcf0b7d2e645ac8afcade125711c1e369fcfb385835d42ce78cbbec75e3ea99573adfb371689e440a799ae8b848  libgpg-error-1.11.tar.bz2

contrib/src/gpg-error/cppflags.patch

-diff -ur libgpg-error.orig/src/Makefile.in libgpg-error/src/Makefile.in
---- libgpg-error.orig/src/Makefile.in	2012-06-25 22:14:30.745691001 +0200
-+++ libgpg-error/src/Makefile.in	2012-06-25 22:15:16.897691001 +0200
-@@ -848,7 +848,7 @@
- # It is correct to use $(CPP).  We want the host's idea of the error codes.
- mkerrcodes.h: Makefile mkerrcodes.awk $(gpg_extra_headers)
- 	$(AWK) -f $(srcdir)/mkerrcodes1.awk $(srcdir)/errnos.in >_$@
--	$(CPP) $(extra_cppflags) _$@ | grep GPG_ERR_ | \
-+	$(CPP) $(CPPFLAGS) $(extra_cppflags) _$@ | grep GPG_ERR_ | \
-                $(AWK) -f $(srcdir)/mkerrcodes.awk >$@
- 	-rm _$@
- 

contrib/src/gpg-error/rules.mak

 # GPGERROR
-GPGERROR_VERSION := 1.10
+GPGERROR_VERSION := 1.11
 GPGERROR_URL := ftp://ftp.gnupg.org/gcrypt/libgpg-error/libgpg-error-$(GPGERROR_VERSION).tar.bz2
 
 $(TARBALLS)/libgpg-error-$(GPGERROR_VERSION).tar.bz2:
@@ -12,7 +12,6 @@ libgpg-error: libgpg-error-$(GPGERROR_VERSION).tar.bz2 .sum-gpg-error
 ifdef HAVE_WIN32
 	$(APPLY) $(SRC)/gpg-error/windres-make.patch
 endif
-	$(APPLY) $(SRC)/gpg-error/cppflags.patch
 	$(MOVE)
 
 .gpg-error: libgpg-error