Commit efa9c2e9204e3a1fa255ef7304791772df515744

Jeremy Maitin-Shepard 2022-10-02T14:37:59

cmake: Rename the custom targets to have the png_ prefix This avoids taget namespace pollution when including libpng as a sub-project. Signed-off-by: Cosmin Truta <ctruta@gmail.com>