Fix patch-to-string in ggit-diff-patch.c
Fix patch-to-string in ggit-diff-patch.c

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