development/ninja-ide: Support alternate tarball name.

Signed-off-by: David Spencer <idlemoor@slackbuilds.org>

development/ninja-ide/ninja-ide.SlackBuild

@@ -46,8 +46,8 @@ set -e
 rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
-rm -rf $PRGNAM
-tar xvf $CWD/v$VERSION.tar.gz
+rm -rf $PRGNAM-$VERSION
+tar xvf $CWD/v$VERSION.tar.gz || tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
 cd $PRGNAM-$VERSION
 chown -R root:root .
 find -L . \