q3map2 png bug: objdump

$ objdump -x ~/dev/netradiant/build/q3map2 | grep NEEDED
  NEEDED               libglib-2.0.so.0
  NEEDED               libjpeg.so.8
  NEEDED               libpng16.so.16
  NEEDED               libz.so.1
  NEEDED               libxml2.so.2
  NEEDED               libpthread.so.0
  NEEDED               libm.so.6
  NEEDED               libc.so.6

$ ldd ~/dev/netradiant/build/q3map2 | grep libpng
	libpng16.so.16 => /usr/lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f080b0f3000)

$ objdump -x /usr/lib/x86_64-linux-gnu/libpng16.so.16 | grep NEEDED
  NEEDED               libz.so.1
  NEEDED               libm.so.6
  NEEDED               libc.so.6