GCCE fixes (Bug 2971) : Remove IMPORT_C statements in ext_dat.h as these are not necessary within same module and cause "not constant" error with GCCE
# Microsoft Developer Studio Generated Dependency File, included by zlib.mak
.\adler32.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
.\compress.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
.\crc32.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
.\deflate.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\deflate.h"\
".\zutil.h"\
.\gzio.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\zutil.h"\
.\infblock.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\infblock.h"\
".\infcodes.h"\
".\inftrees.h"\
".\infutil.h"\
".\zutil.h"\
.\infcodes.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\infblock.h"\
".\infcodes.h"\
".\inffast.h"\
".\inftrees.h"\
".\infutil.h"\
".\zutil.h"\
.\inffast.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\infblock.h"\
".\infcodes.h"\
".\inffast.h"\
".\inftrees.h"\
".\infutil.h"\
".\zutil.h"\
.\inflate.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\infblock.h"\
".\zutil.h"\
.\inftrees.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\inffixed.h"\
".\inftrees.h"\
".\zutil.h"\
.\infutil.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\infblock.h"\
".\infcodes.h"\
".\inftrees.h"\
".\infutil.h"\
".\zutil.h"\
.\maketree.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\inftrees.h"\
".\zutil.h"\
.\trees.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\deflate.h"\
".\trees.h"\
".\zutil.h"\
.\uncompr.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
.\zutil.c : \
"..\inc\zconf.h"\
"..\inc\zlib.h"\
".\zutil.h"\