Remove extraneous semicolon from simif.h

riscv/simif.h

@@ -12,7 +12,7 @@ public:
   // should return NULL for MMIO addresses
   virtual char* addr_to_mem(reg_t paddr) = 0;
   // used for MMIO addresses
-  virtual bool mmio_fetch(reg_t paddr, size_t len, uint8_t* bytes) { return mmio_load(paddr, len, bytes); };
+  virtual bool mmio_fetch(reg_t paddr, size_t len, uint8_t* bytes) { return mmio_load(paddr, len, bytes); }
   virtual bool mmio_load(reg_t paddr, size_t len, uint8_t* bytes) = 0;
   virtual bool mmio_store(reg_t paddr, size_t len, const uint8_t* bytes) = 0;
   // Callback for processors to let the simulation know they were reset.