[libdmapsharing] build: Remove unset and empty INCLUDES variable

[W. Michael Petullo <wmpetullo src gnome org>]

commit 9fa0d9bf61671fdc7ef01877418ce16804263338
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Jun 26 15:50:11 2017 +0200

    build: Remove unset and empty INCLUDES variable
    
    https://bugzilla.gnome.org/show_bug.cgi?id=784221
    
    Signed-off-by: W. Michael Petullo <mike flyn org>

 libdmapsharing/Makefile.am |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/libdmapsharing/Makefile.am b/libdmapsharing/Makefile.am
index b8fdee5..ad9e5ad 100644
--- a/libdmapsharing/Makefile.am
+++ b/libdmapsharing/Makefile.am
@@ -148,7 +148,6 @@ introspection_sources = $(libdmapsharinginclude_HEADERS) $(libdmapsharinginclude
 DMAP-3.0.gir: libdmapsharing-3.0.la
 DMAP_3_0_gir_INCLUDES = GObject-2.0 Soup-2.4
 DMAP_3_0_gir_CFLAGS = \
-       $(INCLUDES) \
        $(libdmapsharing_3_0_la_CFLAGS)
 DMAP_3_0_gir_LIBS = \
        libdmapsharing-3.0.la