5D3: Compilation issue

Created originally on Bitbucket by rufustfirefly (Jeff Buchbinder)

As of checkout on 2012-12-12:

make[1]: Entering directory `/hg/magic-lantern/platform/5D3.113'
[ VERSION  ]   ../../platform/5D3.113/version.c
[ CC       ]   version.o
[ CC       ]   debug.o
cd ../../doc; python2 menuindex.py
Could not open menuindex.txt, will not rewrite help index files
[ CC       ]   menuindex.o
[ LD       ]   magiclantern
debug.o: In function `take_screenshot':
debug.c:(.text+0x3f4): undefined reference to `GetFileSize'
debug.c:(.text+0x424): undefined reference to `GetFileSize'
collect2: ld returned 1 exit status
make[1]: *** [magiclantern] Error 1
make[1]: Leaving directory `/hg/magic-lantern/platform/5D3.113'
make: *** [5D3] Error 2

Patch had been applied to build 5D3 target in Makefile:

5D3:
    $(MAKE) -C $(PLATFORM_PATH)/5D3.113

and 5D3 target was added to Makefile.user.default. Otherwise, completely stock build.