Check for liblua by using a function that is ONLY in lua 5.x and newer, this check misdetected my old lua 4.0.1
Check for liblua by using a function that is ONLY in lua 5.x and newer, this check misdetected my old lua 4.0.1

svn path=/trunk/KDE/kdelibs/kate/; revision=417845

hlamer/kate,DickJ/kate,hlamer/kate,sandsmark/kate,jfmcarreira/kate,jfmcarreira/kate,cmacq2/kate,DickJ/kate,sandsmark/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,cmacq2/kate,sandsmark/kate,hlamer/kate,hlamer/kate,hlamer/kate,DickJ/kate,DickJ/kate,hlamer/kate,hlamer/kate,sandsmark/kate,cmacq2/kate,hlamer/kate