alias: add support for aliases of an alias

diff --git a/blame.c b/blame.c
index 08c0c6cf73c349a2b7ad6fe129443852318a5044..aca06f4b1227a4930a2dbb13b87068a618a76f97 100644 (file)
--- a/blame.c
+++ b/blame.c
@@ -337,9 +337,7 @@ static void fill_origin_blob(struct diff_options *opt,
 
 static void drop_origin_blob(struct blame_origin *o)
 {
-       if (o->file.ptr) {
-               FREE_AND_NULL(o->file.ptr);
-       }
+       FREE_AND_NULL(o->file.ptr);
 }
 
 /*