fix formatting

Author: vlad-anger

src/repo.rs

@@ -3138,17 +3138,13 @@ impl Repository {
 
     /// Retrieve the upstream merge of a local branch,
     /// configured in "branch.*.merge"
-    /// 
+    ///
     /// `refname` must be in the form `refs/heads/{branch_name}`
     pub fn branch_upstream_merge(&self, refname: &str) -> Result<Buf, Error> {
         let refname = CString::new(refname)?;
         unsafe {
             let buf = Buf::new();
-            try_call!(raw::git_branch_upstream_merge(
-                buf.raw(),
-                self.raw,
-                refname
-            ));
+            try_call!(raw::git_branch_upstream_merge(buf.raw(), self.raw, refname));
             Ok(buf)
         }
     }