dev-manual: fix source release example script

(From yocto-docs rev: 6c939a3bbc9116d32c73df58f60ceb4809328eb3)

Signed-off-by: Stefan Wiehler <stefan.wiehler@missinglinkelectronics.com>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/dev-manual/common-tasks.rst

@@ -10929,7 +10929,7 @@ concerned with GPL code as identified by running the following script:
          p=${p%-*}
          # Only archive GPL packages (update *GPL* regex for your license check)
          numfiles=`ls tmp/deploy/licenses/$p/*GPL* 2> /dev/null | wc -l`
-         if [ $numfiles -gt 1 ]; then
+         if [ $numfiles -ge 1 ]; then
             echo Archiving $p
             mkdir -p $src_release_dir/$p/source
             cp $d/* $src_release_dir/$p/source 2> /dev/null