disable try-run on windows

Do not try to check for compiler options during build. This fails
miserably on windows.

Change-Id: I8c84f197ca78897755f67e35fd3a75c30c1d3b7c
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
diff --git a/Makefile b/Makefile
index 55b7cab..4f53a46 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,7 @@
 ifeq (MINGW, $(findstring MINGW, $(UNAME)))
 HOST_OS=MINGW
 PWD_OPT=-W
+DISABLE_TRYRUN=y
 else ifeq (Linux, $(findstring Linux, $(UNAME)))
 HOST_OS=Linux
 else ifeq (Darwin, $(findstring Darwin, $(UNAME)))