[libgnome-volume-control] Fix warnings during build

[Bastien Nocera <hadess src gnome org>]

commit eab2bf3eeabc5445c7c2168dadb732c4b7a45deb
Author: Bastien Nocera <hadess hadess net>
Date:   Tue Nov 27 12:40:28 2012 +0100

    Fix warnings during build
    
    No need to include the $(srcdir)/gvc directory, it's us.

 Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 54bf7c6..0baed0c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,7 +6,7 @@ INTROSPECTION_SCANNER_ARGS = --warn-all
 libgvc_la_CPPFLAGS =			\
 	$(WARN_CFLAGS)			\
 	$(GVC_CFLAGS)			\
-	-I$(srcdir)/gvc/		\
+	-I$(srcdir)			\
 	-DWITH_INTROSPECTION		\
 	-DG_LOG_DOMAIN="\"Gvc\""