package/mpg123: fix hash
When bumping to version 1.25.11, an incorrect hash was set.
Fixes:
- http://autobuild.buildroot.net/results/454/454bc42053deb84a73ed75dda99ae9015d23da84/
Signed-off-by: Pierre-Jean Texier <pjtexier@koncepto.io>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>