CPackRPM: correctly handle empty dir in single package mode
Enabling CPACK_RPM_DEBUGINFO_SINGLE_PACKAGE while having an empty directory in non main component resulted in packaging error that the directory does not exist.
Fixes: #21951 (closed)
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Enabling CPACK_RPM_DEBUGINFO_SINGLE_PACKAGE while having an empty directory in non main component resulted in packaging error that the directory does not exist.
Fixes: #21951 (closed)