fluidsynth: upgrade 2.1.3 -> 2.1.5
fluidsynth 2.1.5:
* loading DLS may have failed in certain setup environments (#666)
* fix a build failure with GCC 4.8 (#661, thanks to @ffontaine)
fluidsynth 2.1.4:
* fix an uninitialized memory access possibly triggering an FPE trap
* fix several regressions introduced in 2.1.3:
fluid_synth_start() failed for certain presets
fix a NULL dereference in jack driver
fix a stack-based overflow when creating the synth
Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>