Ship with a custom blendish.c so we can place fixes on it

dpf

@@ -1 +1 @@
-Subproject commit d9e856141a3f34618b03080a9541cc70e8c7210e
+Subproject commit ef69eba593298b90eb433493470a1ba4c0f1c0bf

src/Makefile

@@ -88,6 +88,7 @@ BUILD_CXX_FLAGS += -DnsvgParseFromFile=nsvgParseFromFileCardinal
 
 RACK_FILES += AsyncDialog.cpp
 RACK_FILES += CardinalModuleWidget.cpp
+RACK_FILES += override/blendish.c
 RACK_FILES += override/Engine.cpp
 RACK_FILES += override/MenuBar.cpp
 RACK_FILES += override/Scene.cpp
@@ -101,7 +102,6 @@ RACK_FILES += override/osdialog.cpp
 RACK_FILES += Rack/dep/pffft/pffft.c
 RACK_FILES += Rack/dep/pffft/fftpack.c
 RACK_FILES += Rack/dep/osdialog/osdialog.c
-RACK_FILES += Rack/dep/oui-blendish/blendish.c
 
 IGNORED_FILES  = Rack/src/asset.cpp
 IGNORED_FILES += Rack/src/common.cpp

src/override/dep.cpp

@@ -22,15 +22,6 @@
 
 #include "nanovg.h"
 
-// fix blendish build, missing symbol in debug mode
-#ifndef NDEBUG
-extern "C" {
-float bnd_clamp(float v, float mn, float mx) {
-    return (v > mx)?mx:(v < mn)?mn:v;
-}
-}
-#endif
-
 // fix bogaudio build, another missing symbol
 #ifndef NDEBUG
 namespace bogaudio {