tests: index: do not re-allocate index

Plug a memory leak caused by re-allocating a `git_index`
structure which has already been allocated by the test suite's
initializer.

diff --git a/tests/index/collision.c b/tests/index/collision.c
index ad5827e0b3d5df7ff5b8acc81c39f7efacbba179..41eb7bfdc02231f680d5ec9ee89ce2fe5df7a302 100644 (file)
--- a/tests/index/collision.c
+++ b/tests/index/collision.c
@@ -79,8 +79,6 @@ void test_index_collision__add_with_highstage_2(void)
 {
        git_index_entry entry;
 
-       cl_git_pass(git_repository_index(&g_index, g_repo));
-
        memset(&entry, 0, sizeof(entry));
        entry.ctime.seconds = 12346789;
        entry.mtime.seconds = 12346789;