properly named constructors and destructors

src/instructions/instructions.h

@@ -53,4 +53,4 @@ typedef struct Instruction {
 /// @return ptr to struct or NULL
 const Instruction* NULLABLE(Instruction_getByOpcode)(Opcode opcode);
 const Instruction* NULLABLE(Instruction_getByName)(str name);
-void Instruction_freeSearchStructs();
+void Instruction_destroySearchStructs();