Fix darwin build.

depends/packages/bdb.mk

@@ -15,16 +15,13 @@ endef
 define $(package)_preprocess_cmds
   sed -i.old 's/__atomic_compare_exchange\\(/__atomic_compare_exchange_db(/' src/dbinc/atomic.h && \
   sed -i.old 's/atomic_init/atomic_init_db/' src/dbinc/atomic.h src/mp/mp_region.c src/mp/mp_mvcc.c src/mp/mp_fget.c src/mutex/mut_method.c src/mutex/mut_tas.c
+  sed -i -e "s/WinIoCtl.h/winioctl.h/g" src/dbinc/win_db.h
 endef
 
 define $(package)_config_cmds
   ../dist/$($(package)_autoconf)
 endef
 
-define $(package)_preprocess_cmds
-   sed -i -e "s/WinIoCtl.h/winioctl.h/g" src/dbinc/win_db.h
-endef
-
 define $(package)_build_cmds
   $(MAKE) libdb_cxx-6.2.a libdb-6.2.a
 endef