Recent Windows 7 and Windows XP Buildbot builds have been giving 
"locally defined symbol ... imported in ..."  warnings while linking 
editcap:
(I get the same warnings on my system).
From the  Window 7 Buildbot log:
Linking editcap.exe
	link @C:\Users\buildbot\AppData\Local\Temp\nm7775.tmp
   Creating library editcap.lib and object editcap.exp
LINK : warning LNK4010: invalid subsystem version number 5.00; default 
subsystem version assumed
editcap.obj : warning LNK4217: locally defined symbol nstime_delta 
imported in function main
editcap.obj : warning LNK4217: locally defined symbol nstime_is_unset 
imported in function main
editcap.obj : warning LNK4217: locally defined symbol nstime_set_unset 
imported in function main
editcap.obj : warning LNK4217: locally defined symbol init_progfile_dir 
imported in function main
editcap.obj : warning LNK4217: locally defined symbol md5_finish 
imported in function is_duplicate
editcap.obj : warning LNK4217: locally defined symbol md5_append 
imported in function is_duplicate
editcap.obj : warning LNK4217: locally defined symbol md5_init imported 
in function is_duplicate
editcap.obj : warning LNK4217: locally defined symbol nstime_cmp 
imported in function is_duplicate_rel_time
(Aside: I thought I recently fixed the  "invalid subsystm" error on my 
Windows 7 VS build setup; I'll have to remember what that was about).
Bill