Oxe FM Synth updated to v1.3.4 - Bug fixes and accelerated graphics on Mac

Oxe Software has updated Oxe FM Synth to v1.3.4. They have now implemented the GUI using OpenGL in an effort to make the drawing strategy portable, and sharing the same code base.

Changes:

• OS X: using accelerated graphics (OpenGL).
• Linux: fixed possible issue on GUI loading.
• All: fixed possible crash when the GUI is shown on DAW project loading.