[nautilus] src: Fix srcdir != builddir from git

[Colin Walters <walters src gnome org>]

commit 0fbb91cd88804922afa9a7e7fb8a94387fdea6e1
Author: Colin Walters <walters verbum org>
Date:   Wed Sep 2 09:25:01 2015 -0400

    src: Fix srcdir != builddir from git
    
    The last commit broke in GContinuous.

 src/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index e15295e..d214211 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -11,6 +11,7 @@ libexec_PROGRAMS=                             \
 
 AM_CPPFLAGS =                                                  \
        -I$(top_srcdir)                                         \
+       -I$(top_srcdir)/libnautilus-private                     \
        -I$(top_builddir)/libnautilus-private                   \
        -I$(top_srcdir)/libgd                                   \
        $(BASE_CFLAGS)                                          \