xap/qtractor: Added support for librubberband.

xap/qtractor/qtractor.SlackBuild

@@ -26,8 +26,7 @@
 # <http://qtractor.sourceforge.net/>.
 #
 # Depends: l/qt4,ap/jack,l/libsndfile,l/liblrdf
-# Recommends: l/dssi
-# Optional: l/librubberband
+# Recommends: l/dssi,l/librubberband
 
 # Source package infos
 NAMESRC=${NAMESRC:-qtractor}
@@ -37,7 +36,7 @@ WGET=${WGET:-http://downloads.sourceforge.net/qtractor/$ARCHIVE}
 
 # Build infos
 NAMETGZ=${NAMETGZ:-qtractor}
-BUILD=${BUILD:-1GGD}
+BUILD=${BUILD:-2GGD}
 ARCH=${ARCH:-i486}
 JOBS=${JOBS:-1}