rustfmt fix

Author: Ellen Arteca

src/bin/miri.rs

@@ -491,7 +491,10 @@ fn main() {
             let filename = param.to_string();
             if std::path::Path::new(&filename).exists() {
                 if let Some(other_filename) = miri_config.external_c_so_file {
-                    panic!("-Zmiri-external_so_file external SO file is already set to {}", other_filename.display());
+                    panic!(
+                        "-Zmiri-external_so_file external SO file is already set to {}",
+                        other_filename.display()
+                    );
                 }
                 miri_config.external_c_so_file = Some(filename.into());
             } else {

tests/pass/external_C/int_c_tests.rs

@@ -4,7 +4,20 @@
 extern "C" {
     fn add_one_int(x: i32) -> i32;
     fn add_int16(x: i16) -> i16;
-    fn test_stack_spill(a:i32, b:i32, c:i32, d:i32, e:i32, f:i32, g:i32, h:i32, i:i32, j:i32, k:i32, l:i32) -> i32;
+    fn test_stack_spill(
+        a: i32,
+        b: i32,
+        c: i32,
+        d: i32,
+        e: i32,
+        f: i32,
+        g: i32,
+        h: i32,
+        i: i32,
+        j: i32,
+        k: i32,
+        l: i32,
+    ) -> i32;
     fn add_short_to_long(x: i16, y: i64) -> i64;
     fn get_unsigned_int() -> u32;
 }

tests/pass/external_C/print_from_c.rs

@@ -7,7 +7,7 @@ extern "C" {
 
 fn main() {
     unsafe {
-        // test void function that prints from C -- call it twice 
+        // test void function that prints from C -- call it twice
         printer();
         printer();
     }