scons: fix write_git_sha1_h_file() issue on Windows
authorBrian Paul <brianp@vmware.com>
Wed, 28 Sep 2011 15:04:03 +0000 (09:04 -0600)
committerBrian Paul <brianp@vmware.com>
Wed, 28 Sep 2011 15:05:58 +0000 (09:05 -0600)
commite112287474e225969fb10e6bc744d9c48a853fc6
treea65b32e7576889073965b49dc3d37d80b4783806
parentddb5cd0a7b7d55595c47f25645b80796dc8cdf7a
scons: fix write_git_sha1_h_file() issue on Windows

Unlike on Unix, os.rename(src, dst) will fail on Windows if the dst file
already exists.  Remove it first.
src/mesa/SConscript