[nautilus] gitignore: ignore gtk-doc generated files

[Carlos Soriano <csoriano src gnome org>]

commit fbe174d1581f78154c587c0c1d2604ea5e6bffad
Author: Carlos Soriano <csoriano gnome org>
Date:   Thu Dec 1 12:57:35 2016 +0100

    gitignore: ignore gtk-doc generated files
    
    https://bugzilla.gnome.org/show_bug.cgi?id=775460

 .gitignore |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index f7016ed..bd22bdc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -85,3 +85,4 @@
 /test/Makefile.in
 /ylwrap
 /m4
+/gtk-doc.make