cmake HAVE_MPCDEC_MPCDEC_H examples

KDE/k3b cmake/modules/FindMuse.cmake :18 

check_include_files(mpcdec/mpcdec.h HAVE_MPCDEC_MPCDEC_H)

KDE/k3b cmake/modules/FindMuse.cmake :25 

elseif( HAVE_MPCDEC_MPCDEC_H )