Fix build without vstsdk (closes #82)

source/modules/juce_audio_processors/AppConfig.h

@@ -31,7 +31,7 @@
 
     @see VSTPluginFormat, VST3PluginFormat, AudioPluginFormat, AudioPluginFormatManager, JUCE_PLUGINHOST_VST, JUCE_PLUGINHOST_AU
 */
-#if defined(JUCE_WINDOW) || defined(JUCE_MAC)
+#if defined(JUCE_WINDOWS) || defined(JUCE_MAC)
 # define JUCE_PLUGINHOST_VST3 1
 #else
 # define JUCE_PLUGINHOST_VST3 0

source/modules/juce_audio_processors/Makefile

@@ -11,6 +11,10 @@ include ../../Makefile.mk
 BUILD_CXX_FLAGS += $(JUCE_AUDIO_PROCESSORS_FLAGS) -I. -I../../includes/ladspa -I../../includes/vst -I../../includes/vst3 -w
 LINK_FLAGS      += $(JUCE_AUDIO_PROCESSORS_LIBS) -L.. -ljuce_audio_basics -ljuce_gui_basics -ljuce_graphics -ljuce_data_structures -ljuce_events -ljuce_core
 
+ifeq ($(CARLA_VESTIGE_HEADER),true)
+BUILD_CXX_FLAGS += -DVESTIGE_HEADER
+endif
+
 ifeq ($(MACOS),true)
 BUILD_CXX_FLAGS += -ObjC++
 OBJS         = juce_audio_processors.mm.o