Use custom DPF_DEBUG macro for leak class, DEBUG was too generic

Signed-off-by: falkTX <falktx@falktx.com>

Makefile.base.mk

@@ -274,7 +274,7 @@ BASE_OPTS  = -O2 -ffast-math -fdata-sections -ffunction-sections
 endif
 
 ifeq ($(DEBUG),true)
-BASE_FLAGS += -DDEBUG -O0 -g
+BASE_FLAGS += -DDEBUG -DDPF_DEBUG -O0 -g
 # ifneq ($(HAIKU),true)
 # BASE_FLAGS += -fsanitize=address
 # endif

distrho/extra/LeakDetector.hpp

@@ -1,6 +1,6 @@
 /*
  * DISTRHO Plugin Framework (DPF)
- * Copyright (C) 2012-2016 Filipe Coelho <falktx@falktx.com>
+ * Copyright (C) 2012-2023 Filipe Coelho <falktx@falktx.com>
  *
  * Permission to use, copy, modify, and/or distribute this software for any purpose with
  * or without fee is hereby granted, provided that the above copyright notice and this
@@ -50,7 +50,7 @@ START_NAMESPACE_DISTRHO
 #define DISTRHO_JOIN_MACRO_HELPER(a, b) a ## b
 #define DISTRHO_JOIN_MACRO(item1, item2) DISTRHO_JOIN_MACRO_HELPER(item1, item2)
 
-#if defined(DEBUG) && !defined(NDEBUG)
+#if defined(DPF_DEBUG) && !defined(NDEBUG)
 /** This macro lets you embed a leak-detecting object inside a class.\n
     To use it, simply declare a DISTRHO_LEAK_DETECTOR(YourClassName) inside a private section
     of the class declaration. E.g.