Bug#960254: ir.lv2 FTBFS with lv2-dev 1.18.0-1

[Adrian Bunk <bunk@debian.org>]

Source: ir.lv2
Version: 1.3.4~dfsg0-2
Severity: serious
Tags: ftbfs

https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/ir.lv2.html

...
ir_gui.cc:1681:14: error: invalid conversion from 'void* (*)(const _LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function, LV2UI_Controller, void**, const LV2_Feature* const*)' {aka 'void* (*)(const _LV2UI_Descriptor*, const char*, const char*, void (*)(void*, unsigned int, unsigned int, unsigned int, const void*), void*, void**, const LV2_Feature* const*)'} to 'void* (*)(const LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function, LV2UI_Controller, void**, const LV2_Feature* const*)' {aka 'void* (*)(const LV2UI_Descriptor*, const char*, const char*, void (*)(void*, unsigned int, unsigned int, unsigned int, const void*), void*, void**, const LV2_Feature* const*)'} [-fpermissive]
 1681 |  {IR_UI_URI, instantiate, cleanup, port_event, NULL}
      |              ^~~~~~~~~~~
      |              |
      |              void* (*)(const _LV2UI_Descriptor*, const char*, const char*, LV2UI_Write_Function, LV2UI_Controller, void**, const LV2_Feature* const*) {aka void* (*)(const _LV2UI_Descriptor*, const char*, const char*, void (*)(void*, unsigned int, unsigned int, unsigned int, const void*), void*, void**, const LV2_Feature* const*)}
make[2]: *** [Makefile:39: ir_gui.o] Error 1