[Mod] OpenMPT: Version is now 1.29.01.00

Merged revision(s) 12899 from trunk/OpenMPT:
[Fix] Delete mptrack.exe symlink in uninstallation.
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git-svn-id: https://source.openmpt.org/svn/openmpt/branches/OpenMPT-1.29@12900 56274372-70c3-4bfc-bfc3-4c3a0b034d27