Include cx_Freeze only on sys_platform == windows

Author: pjkundert

SLIP-39-macOS.spec

@@ -50,9 +50,9 @@ coll = COLLECT(exe,
 app = BUNDLE(coll,
              name='SLIP-39.app',
              icon='images/SLIP-39.icns',
-             version='8.3.0',
+             version='9.0.0',
              info_plist={
-                 'CFBundleVersion':'8.3.0',
+                 'CFBundleVersion':'9.0.0',
                  'CFBundlePackageType':'APPL',
                  'LSApplicationCategoryType':'public.app-category.finance',
                  'LSMinimumSystemVersion':'10.15.0',

requirements.txt

@@ -2,7 +2,7 @@ base58		>=2.0.1, <3
 chacha20poly1305>=0.0.3
 fpdf2		>=2.5,	<3
 hdwallet	>=2.1,	<3
-mnemonic	>=0.19,	<1
+mnemonic	>=0.2,	<1
 qrcode		>=7.3
 shamir-mnemonic	>=0.2,	<1
-cx_Freeze	>= 6.10
+cx_Freeze	>=6.10		; sys_platform == "windows"