devel/git-cinnabar: unbreak after r433740 / 70558fc7a7b0

../cinnabar-fast-import.c:86:7: error: use of undeclared identifier 'pack_compression_seen'; did you

mean 'pack_compression_level'?
  if (!pack_compression_seen && core_compression_seen)
       ^~~~~~~~~~~~~~~~~~~~~
       pack_compression_level

./cache.h:705:12: note: 'pack_compression_level' declared here
extern int pack_compression_level;

^

../cinnabar-fast-import.c:86:32: error: use of undeclared identifier 'core_compression_seen'; did you

mean 'core_compression_level'?
  if (!pack_compression_seen && core_compression_seen)
                                ^~~~~~~~~~~~~~~~~~~~~
                                core_compression_level

./cache.h:704:12: note: 'core_compression_level' declared here
extern int core_compression_level;

^

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