[PATCH modular] build.sh: don't build drivers on Cygwin

[Yaakov (Cygwin/X)]

From: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>

Signed-off-by: Yaakov Selkowitz <yselkowitz at users.sourceforge.net>
---
 build.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/build.sh b/build.sh
index 79ae83a..3d7c990 100755
--- a/build.sh
+++ b/build.sh
@@ -578,7 +578,7 @@ build_driver_video() {
 build_driver() {
     # XQuartz doesn't need these...
     case $HOST_OS in
-        Darwin*) return 0 ;;
+        Darwin*|CYGWIN*) return 0 ;;
     esac
 
     build_driver_input
-- 
1.7.0.4