style: format build.rs with cargo fmt

- Fix code formatting in build.rs to pass CI checks
- Ensure consistent Rust code style across project

Author: NDXDeveloper

build.rs

@@ -2,16 +2,19 @@ fn main() {
     #[cfg(target_os = "windows")]
     {
         println!("cargo:rerun-if-changed=icon.ico");
-        
+
         let mut res = winresource::WindowsResource::new();
         res.set_icon("icon.ico");
         res.set("ProductName", "Slashsum");
         res.set("CompanyName", "NDXDeveloper");
         res.set("LegalCopyright", "© NDXDeveloper");
-        res.set("FileDescription", "Calculate multiple checksums simultaneously");
+        res.set(
+            "FileDescription",
+            "Calculate multiple checksums simultaneously",
+        );
         res.set("ProductVersion", env!("CARGO_PKG_VERSION"));
         res.set("FileVersion", env!("CARGO_PKG_VERSION"));
-        
+
         if let Err(e) = res.compile() {
             println!("cargo:warning=Failed to compile resources: {}", e);
         }