Use relative path for git_index_remove
Use relative path for git_index_remove

chergert/libgit2-glib,chergert/libgit2-glib,weynhamz/GNOME-libgit2-glib,weynhamz/GNOME-libgit2-glib,GNOME/libgit2-glib,chergert/libgit2-glib,weynhamz/GNOME-libgit2-glib,GNOME/libgit2-glib,weynhamz/GNOME-libgit2-glib