Update style.rs for new Rustfmt style

ci/style.rs

@@ -125,19 +125,21 @@ fn check_style(file: &str, path: &Path, err: &mut Errors) {
         if line.len() > 80 {
             err.error(path, i, "line longer than 80 chars");
         }
-        if line.contains("#[cfg(") && !line.contains(" if ")
+        // This doesn't work any more due to rustfmt changes
+        /*if line.contains("#[cfg(") && !line.contains(" if ")
             && !(line.contains("target_endian") ||
                  line.contains("target_arch"))
         {
             if state != State::Structs {
                 err.error(path, i, "use cfg_if! and submodules \
                                     instead of #[cfg]");
             }
-        }
+        }*/
         if line.contains("#[derive(") && (line.contains("Copy") || line.contains("Clone")) {
             err.error(path, i, "impl ::Copy and ::Clone manually");
         }
 
+        let orig_line = line;
         let line = line.trim_start();
         let is_pub = line.starts_with("pub ");
         let line = if is_pub {&line[4..]} else {line};
@@ -161,7 +163,7 @@ fn check_style(file: &str, path: &Path, err: &mut Errors) {
         } else if line.starts_with("f! {") {
             f_macros += 1;
             State::FunctionDefinitions
-        } else if line.starts_with("extern ") {
+        } else if line.starts_with("extern ") && !orig_line.starts_with(" ") {
             State::Functions
         } else if line.starts_with("mod ") {
             State::Modules