[librsvg] Fix non-srcdir build

[Matthias Clasen <matthiasc src gnome org>]

commit 091c76f96c9a8973d8a96e330d1e0f464aec4869
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Jul 1 17:03:24 2015 -0700

    Fix non-srcdir build
    
    Jasper pointed out that this was broken for a while.

 gdk-pixbuf-loader/Makefile.am |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gdk-pixbuf-loader/Makefile.am b/gdk-pixbuf-loader/Makefile.am
index 1476a4e..4c12d66 100644
--- a/gdk-pixbuf-loader/Makefile.am
+++ b/gdk-pixbuf-loader/Makefile.am
@@ -36,6 +36,8 @@ rsvg_loader_SOURCES = \
        test.c \
        $(NULL)
 rsvg_loader_CPPFLAGS = \
+       -I$(top_srcdir)                         \
+       -I$(top_builddir)                       \
        $(AM_CPPFLAGS)
 rsvg_loader_CFLAGS = \
        $(GDK_PIXBUF_CFLAGS) \