feat(constants): only compile windows constants on windows os

Author: DevYukine

src/config/constants.rs

@@ -9,6 +9,10 @@ pub const XDG_CONFIG_ENV: &str = "XDG_CONFIG_HOME";
 pub const HOME_ENV: &str = "HOME";
 
 pub const WINDOWS_APPDATA_ENV: &str = "APPDATA";
+
+#[cfg(target_os = "windows")]
 pub const WINDOWS_USERPROFILE_ENV: &str = "USERPROFILE";
+#[cfg(target_os = "windows")]
 pub const WINDOWS_HOMEDRIVE_ENV: &str = "HOMEDRIVE";
+#[cfg(target_os = "windows")]
 pub const WINDOWS_HOMEPATH_ENV: &str = "HOMEPATH";