Windows: use Win32 API to obtain executable name.
Windows: use Win32 API to obtain executable name.

cygwin lies about it, stripping the '.exe' suffix.

Needed for #276.

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MOS_MIGRATED_REVID=114860126

meteorcloudy/bazel,snnn/bazel,anupcshan/bazel,akira-baruah/bazel,kchodorow/bazel,ulfjack/bazel,LuminateWireless/bazel,whuwxl/bazel,aehlig/bazel,mrdomino/bazel,mbrukman/bazel,iamthearm/bazel,UrbanCompass/bazel,dslomov/bazel-windows,UrbanCompass/bazel,damienmg/bazel,mrdomino/bazel,LuminateWireless/bazel,whuwxl/bazel,perezd/bazel,meteorcloudy/bazel,whuwxl/bazel,bazelbuild/bazel,kchodorow/bazel,mrdomino/bazel,perezd/bazel,variac/bazel,safarmer/bazel,cushon/bazel,anupcshan/bazel,iamthearm/bazel,dslomov/bazel-windows,dropbox/bazel,aehlig/bazel,mbrukman/bazel,hermione521/bazel,abergmeier-dsfishlabs/bazel,variac/bazel,ulfjack/bazel,abergmeier-dsfishlabs/bazel,UrbanCompass/bazel,perezd/bazel,UrbanCompass/bazel,cushon/bazel,snnn/bazel,safarmer/bazel,abergmeier-dsfishlabs/bazel,mrdomino/bazel,akira-baruah/bazel,ulfjack/bazel,bazelbuild/bazel,mikelalcon/bazel,Asana/bazel,dslomov/bazel,cushon/bazel,kchodorow/bazel-1,dslomov/bazel-windows,snnn/bazel,spxtr/bazel,kchodorow/bazel-1,Asana/bazel,Asana/bazel,safarmer/bazel,juhalindfors/bazel-patches,davidzchen/bazel,werkt/bazel,abergmeier-dsfishlabs/bazel,davidzchen/bazel,UrbanCompass/bazel,dslomov/bazel-windows,ulfjack/bazel,dslomov/bazel,whuwxl/bazel,damienmg/bazel,spxtr/bazel,akira-baruah/bazel,davidzchen/bazel,davidzchen/bazel,iamthearm/bazel,mikelikespie/bazel,mrdomino/bazel,damienmg/bazel,katre/bazel,juhalindfors/bazel-patches,akira-baruah/bazel,kchodorow/bazel-1,davidzchen/bazel,mikelalcon/bazel,bazelbuild/bazel,spxtr/bazel,LuminateWireless/bazel,iamthearm/bazel,iamthearm/bazel,ulfjack/bazel,mikelikespie/bazel,mikelalcon/bazel,dslomov/bazel,mbrukman/bazel,werkt/bazel,aehlig/bazel,dropbox/bazel,Asana/bazel,abergmeier-dsfishlabs/bazel,werkt/bazel,zhexuany/bazel,zhexuany/bazel,bazelbuild/bazel,dslomov/bazel-windows,anupcshan/bazel,variac/bazel,katre/bazel,spxtr/bazel,meteorcloudy/bazel,ulfjack/bazel,dslomov/bazel-windows,cushon/bazel,twitter-forks/bazel,aehlig/bazel,kchodorow/bazel,cushon/bazel,mikelikespie/bazel,variac/bazel,LuminateWireless/bazel,mikelalcon/bazel,dropbox/bazel,zhexuany/bazel,mikelikespie/bazel,dropbox/bazel,mikelikespie/bazel,anupcshan/bazel,dslomov/bazel,twitter-forks/bazel,juhalindfors/bazel-patches,anupcshan/bazel,bazelbuild/bazel,hermione521/bazel,akira-baruah/bazel,ButterflyNetwork/bazel,davidzchen/bazel,dslomov/bazel,dropbox/bazel,meteorcloudy/bazel,zhexuany/bazel,ButterflyNetwork/bazel,kchodorow/bazel,kchodorow/bazel-1,davidzchen/bazel,safarmer/bazel,Asana/bazel,abergmeier-dsfishlabs/bazel,katre/bazel,bazelbuild/bazel,hermione521/bazel,whuwxl/bazel,LuminateWireless/bazel,damienmg/bazel,ulfjack/bazel,kchodorow/bazel-1,cushon/bazel,kchodorow/bazel,spxtr/bazel,hermione521/bazel,ButterflyNetwork/bazel,juhalindfors/bazel-patches,juhalindfors/bazel-patches,ButterflyNetwork/bazel,spxtr/bazel,mbrukman/bazel,variac/bazel,aehlig/bazel,hermione521/bazel,snnn/bazel,katre/bazel,spxtr/bazel,meteorcloudy/bazel,UrbanCompass/bazel,twitter-forks/bazel,snnn/bazel,werkt/bazel,safarmer/bazel,aehlig/bazel,snnn/bazel,mikelikespie/bazel,ButterflyNetwork/bazel,damienmg/bazel,juhalindfors/bazel-patches,Asana/bazel,zhexuany/bazel,whuwxl/bazel,meteorcloudy/bazel,zhexuany/bazel,damienmg/bazel,perezd/bazel,mbrukman/bazel,perezd/bazel,dslomov/bazel,mikelalcon/bazel,akira-baruah/bazel,aehlig/bazel,variac/bazel,kchodorow/bazel,meteorcloudy/bazel,werkt/bazel,safarmer/bazel,Asana/bazel,twitter-forks/bazel,mbrukman/bazel,dropbox/bazel,variac/bazel,dslomov/bazel,iamthearm/bazel,anupcshan/bazel,twitter-forks/bazel,juhalindfors/bazel-patches,katre/bazel,LuminateWireless/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,mrdomino/bazel,katre/bazel,hermione521/bazel,kchodorow/bazel-1,perezd/bazel,werkt/bazel,mikelalcon/bazel,perezd/bazel,kchodorow/bazel,twitter-forks/bazel,damienmg/bazel,snnn/bazel