send-email: minor code refactoring

diff --git a/git-send-email.perl b/git-send-email.perl
index 228400b3e937b28f6bc57211ffe6409f42721dbb..09ecad830f3075b3b0dfe3f9ce7db396c9adeb2c 100755 (executable)
--- a/git-send-email.perl
+++ b/git-send-email.perl
@@ -774,9 +774,9 @@ sub file_declares_8bit_cte {
        }
 }
 
-($sender) = expand_aliases($sender) if defined $sender;
-
-if (!defined $sender) {
+if (defined $sender) {
+       ($sender) = expand_aliases($sender);
+} else {
        $sender = $repoauthor || $repocommitter || '';
 }