Try to make build-sdx.sh work on windoze

build-sdx.sh

@@ -6,13 +6,17 @@
 
 set -e
 
-if  [ -e dragonxd ]; then
+# TODO: not ideal, hushd.exe should only be looked for on windoze
+if  [ -e "dragonxd" ]; then
     echo "Found dragonxd binary"
+elif [ -e "hushd.exe" ]; then
+    echo "Found hushd.exe binary"
 else
     echo "dragonxd could not be found!"
     echo "Either copy the binary to this dir or make a symlink."
     echo "This command will create a symlink to it if this repo is in the same directory as your hush3.git: "
     echo "ln -s ../hush3/src/dragonxd"
+    echo "For windoze you should copy hushd.exe to this directory"
     exit 1
 fi