mapcache_seed compiler errors with master, on Windows

[jmckenna]

• compiling mapcache-master, on Visual Studio 2008
• gives the following missing symbols during linking of mapcache_seed utility

Linking C executable mapcache_seed.exe
mapcache_seed.c.obj : error LNK2019: unresolved external symbol _mapcache_cache_tile_get r
eferenced in function _examine_tile
mapcache_seed.c.obj : error LNK2019: unresolved external symbol _mapcache_cache_tile_exist
s referenced in function _examine_tile
mapcache_seed.c.obj : error LNK2019: unresolved external symbol _mapcache_requested_dimens
ions_clone referenced in function _cmd_worker
mapcache_seed.c.obj : error LNK2019: unresolved external symbol _mapcache_cache_tile_set r
eferenced in function _seed_worker
mapcache_seed.exe : fatal error LNK1120: 4 unresolved externals
LINK failed. with 1120
NMAKE : fatal error U1077: '"C:\Program Files\CMake\bin\cmake.exe"' : return code '0xfffff
fff'
Stop.
NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN\nmake.exe
"' : return code '0x2'
Stop.
NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN\nmake.exe
"' : return code '0x2'
Stop.

[tbonfort]

There are probably some dll-exports missing in mapcache.h

[jmckenna]

thanks for the hint @tbonfort

[jmckenna]

my apologies for that