diff -up seamonkey-2.39b1/mozilla/configure.in.libpng-version seamonkey-2.39b1/mozilla/configure.in --- seamonkey-2.39b1/mozilla/configure.in.libpng-version 2015-11-01 16:52:30.999937686 +0100 +++ seamonkey-2.39b1/mozilla/configure.in 2015-11-01 17:45:38.488099657 +0100 @@ -51,7 +51,7 @@ _SUBDIR_CONFIG_ARGS="$ac_configure_args" dnl Set the version number of the libs included with mozilla dnl ======================================================== MOZJPEG=62 -MOZPNG=10617 +MOZPNG=10513 NSPR_VERSION=4 NSPR_MINVER=4.10.10 NSS_VERSION=3