[sound-juicer] build: Fix gnome-autogen warnings

[Bastien Nocera <hadess src gnome org>]

commit fa329969e92ab0e7a91f3fd7e67cbe995d696ad5
Author: Bastien Nocera <hadess hadess net>
Date:   Sat Nov 21 17:24:23 2015 +0100

    build: Fix gnome-autogen warnings
    
    https://bugzilla.gnome.org/show_bug.cgi?id=758461

 autogen.sh |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index a38e9aa..891a6ff 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -4,10 +4,8 @@
 srcdir=`dirname $0`
 test -z "$srcdir" && srcdir=.
 
-PKG_NAME="sound-juicer"
-
 (test -f $srcdir/src/sound-juicer.h) || {
-    echo "**Error**: Directory "\`$srcdir\'" does not look like the top-level $PKG_NAME directory"
+    echo "**Error**: Directory "\`$srcdir\'" does not look like the top-level sound-juicer directory"
     exit 1
 }
 
@@ -16,4 +14,4 @@ which gnome-autogen.sh || {
        exit 1
 }
 
-REQUIRED_AUTOMAKE_VERSION=1.9 USE_GNOME2_MACROS=1 . gnome-autogen.sh
+REQUIRED_AUTOMAKE_VERSION=1.9 . gnome-autogen.sh