Run rustfmt

Author: alexcrichton

crates/backtrace-sys/build.rs

@@ -11,7 +11,8 @@ fn main() {
         target.contains("emscripten") || // no way this will ever compile for emscripten
         target.contains("cloudabi") ||
         target.contains("wasm32") ||
-        target.contains("fuchsia") // fuchsia uses external out-of-process symbolization
+        target.contains("fuchsia")
+    // fuchsia uses external out-of-process symbolization
     {
         println!("cargo:rustc-cfg=empty");
         return;