Summary: The task definitions in the (OSS-specific) build for Yoga's JS bindings expose `emcmakeGenerateTask()` to run Emscripten's `emcmake` wrapper over `cmake`'s project generator. This fixes a typo in its log output, where it will output "e*n*cmake" instead of "e*m*cmake".
Differential Revision: D42279467
fbshipit-source-id: 8b37ea2a2d0db1932ddd20847a76ce145a8b3103