Fix strict aliasing warnings: reeverb/Components/allpass.h:36:2: warning:
dereferencing type-punned pointer will break strict-aliasing rules

https://bugs.gentoo.org/show_bug.cgi?id=307563

Index: cmt/src/freeverb/Components/denormals.h
===================================================================
--- cmt.orig/src/freeverb/Components/denormals.h
+++ cmt/src/freeverb/Components/denormals.h
@@ -8,7 +8,7 @@
 #ifndef _denormals_
 #define _denormals_
 
-#define undenormalise(sample) if(((*(unsigned int*)&sample)&0x7f800000)==0) sample=0.0f
+#define undenormalise(sample) if((((unsigned int)sample)&0x7f800000)==0) sample=0.0f
 
 #endif//_denormals_