Bump version to 6.4-30 cp-6.4-30

Change-Id: I5df0d75277082634ee0ce7fd1f6d46f19a659d60

path: root/filter/source/graphicfilter/icgm/exports.map

UDK_3_0_0 {
        global:
                ImportCGM;

        local:
                *;
};