refactor(fmod): move all original files into fmod directory

fmod/lib/freeverb/denormals.h

@@ -0,0 +1,15 @@
+// Macro for killing denormalled numbers
+//
+// Written by Jezar at Dreampoint, June 2000
+// http://www.dreampoint.co.uk
+// Based on IS_DENORMAL macro by Jon Watte
+// This code is public domain
+
+#ifndef _denormals_
+#define _denormals_
+
+#define undenormalise(sample) if(((*(unsigned int*)&sample)&0x7f800000)==0) sample=0.0f
+
+#endif//_denormals_
+
+//ends