Fix usage style.
authorPat Gavlin <pagavlin@microsoft.com>
Wed, 28 Jun 2017 19:59:19 +0000 (12:59 -0700)
committerPat Gavlin <pagavlin@microsoft.com>
Wed, 28 Jun 2017 19:59:19 +0000 (12:59 -0700)
commit50b4535c9c72afb5b250c34d372fd0a0b11ebf58
tree2e509c025d8de75ddef96e8f2efc42e05bcdab38
parent92c51ff54387421d3a6aa12e30bcd7665546addd
Fix usage style.

Commit migrated from https://github.com/dotnet/coreclr/commit/81f16e41fed6f2d5c21268d5aecf37352493a7a3
src/coreclr/build.cmd