[Packaging] define rb_suffix before its usage in fix_sheb
[Packaging] define rb_suffix before its usage in fix_sheb

Signed-off-by: Jordi Massaguer Pla <6858cec916b2a25e416959701ca32d40d47aefc7@suse.de>

mssola/Portus,SUSE/Portus,SUSE/Portus,SUSE/Portus,SUSE/Portus,mssola/Portus,mssola/Portus,mssola/Portus