w 1.9.2-rc1 windows compile error

C:\Documents and Settings\Administrator>gem install eventmachine
Building native extensions.  This could take a while...
ERROR:  Error installing eventmachine:
        ERROR: Failed to build gem native extension.

C:/ruby/192-rc1/bin/ruby.exe extconf.rb
checking for rb_trap_immediate in ruby.h,rubysig.h... no
checking for rb_thread_blocking_region()... yes
checking for inotify_init() in sys/inotify.h... no
checking for __NR_inotify_init in sys/syscall.h... no
checking for writev() in sys/uio.h... no
checking for rb_thread_check_ints()... yes
checking for rb_time_new()... yes
checking for windows.h... yes
checking for winsock.h... yes
checking for main() in -lkernel32... yes
checking for main() in -lrpcrt4... yes
checking for main() in -lgdi32... yes
checking for main() in -lssl... no
creating Makefile

make
C:/ruby/192-rc1/bin/ruby -e "puts 'EXPORTS', 'Init_rubyeventmachine'"  > rubyeve
ntmachine-i386-mingw32.def
g++ -I. -IC:/ruby/192-rc1/include/ruby-1.9.1/i386-mingw32 -I/C/ruby/192-rc1/incl
ude/ruby-1.9.1/ruby/backward -I/C/ruby/192-rc1/include/ruby-1.9.1 -I. -DBUILD_FO
R_RUBY -DHAVE_RB_THREAD_BLOCKING_REGION -DHAVE_TBR -DHAVE_RB_THREAD_CHECK_INTS -
DHAVE_RB_TIME_NEW -DOS_WIN32 -DHAVE_WINDOWS_H -DHAVE_WINSOCK_H -DWITHOUT_SSL
-O3 -g -Wall -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-stri
ngs -Wno-long-long   -o binder.o -c binder.cpp
In file included from binder.cpp:20:
project.h:26: warning: ignoring #pragma warning
g++ -I. -IC:/ruby/192-rc1/include/ruby-1.9.1/i386-mingw32 -I/C/ruby/192-rc1/incl
ude/ruby-1.9.1/ruby/backward -I/C/ruby/192-rc1/include/ruby-1.9.1 -I. -DBUILD_FO
R_RUBY -DHAVE_RB_THREAD_BLOCKING_REGION -DHAVE_TBR -DHAVE_RB_THREAD_CHECK_INTS -
DHAVE_RB_TIME_NEW -DOS_WIN32 -DHAVE_WINDOWS_H -DHAVE_WINSOCK_H -DWITHOUT_SSL
-O3 -g -Wall -Wno-unused-parameter -Wno-parentheses -Wpointer-arith -Wwrite-stri
ngs -Wno-long-long   -o cmain.o -c cmain.cpp
In file included from cmain.cpp:20:
project.h:26: warning: ignoring #pragma warning
cmain.cpp: In function `int evma_send_file_data_to_connection(long unsigned int,
 const char*)':
cmain.cpp:752: error: cannot convert `stat*' to `_stati64*' for argument `2' to
`int _fstati64(int, _stati64*)'
make: *** [cmain.o] Error 1


Gem files will remain installed in C:/ruby/192-rc1/lib/ruby/gems/1.9.1/gems/even
tmachine-0.12.10 for inspection.
Results logged to C:/ruby/192-rc1/lib/ruby/gems/1.9.1/gems/eventmachine-0.12.10/
ext/gem_make.out

C:\Documents and Settings\Administrator>