no-sse2 patch: More FTBFS fixes
    
    * add missing configs for the blink_x86_sse2 source set in
      src/3rdparty/chromium/third_party/WebKit/Source/platform/BUILD.gn
    
    * in src/core/core_module.pro, when processing NINJA_SOLIBS, ignore the
      dummy convert_dict shared library used only to get a .pri file