gnutls_2_12_x git tree does not build (snippet/*)

[Andreas Metzler]

Hello,

looks like the recent update gnulib patch was incomplete.
gnutls_2_12_x does not build anymore:

make[4]: Entering directory `/tmp/GNUTLS/gnutls.git/lib/gl'
make[4]: *** No rule to make target `../build-aux/snippet/c++defs.h',
needed by `c++defs.h'.  Stop.
make[4]: Leaving directory `/tmp/GNUTLS/gnutls.git/lib/gl'

cu andreas
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