Memmap: Make the MMIO mapping a unique_ptr

Source/Core/Core/PowerPC/JitArm64/JitArm64_LoadStore.cpp

@@ -154,7 +154,7 @@ void JitArm64::SafeLoadToReg(u32 dest, s32 addr, s32 offsetReg, u32 flags, s32 o
 	}
 	else if (mmio_address)
 	{
-		MMIOLoadToReg(Memory::mmio_mapping, this,
+		MMIOLoadToReg(Memory::mmio_mapping.get(), this,
 		              regs_in_use, fprs_in_use, dest_reg,
 		              mmio_address, flags);
 	}
@@ -350,7 +350,7 @@ void JitArm64::SafeStoreFromReg(s32 dest, u32 value, s32 regOffset, u32 flags, s
 	}
 	else if (mmio_address && !(flags & BackPatchInfo::FLAG_REVERSE))
 	{
-		MMIOWriteRegToAddr(Memory::mmio_mapping, this,
+		MMIOWriteRegToAddr(Memory::mmio_mapping.get(), this,
 		                   regs_in_use, fprs_in_use, RS,
 		                   mmio_address, flags);
 	}

Source/Core/Core/PowerPC/JitCommon/Jit_Util.cpp

@@ -264,7 +264,7 @@ void EmuCodeBlock::SafeLoadToReg(X64Reg reg_value, const Gen::OpArg & opAddress,
 		u32 mmioAddress = PowerPC::IsOptimizableMMIOAccess(address, accessSize);
 		if (accessSize != 64 && mmioAddress)
 		{
-			MMIOLoadToReg(Memory::mmio_mapping, reg_value, registersInUse,
+			MMIOLoadToReg(Memory::mmio_mapping.get(), reg_value, registersInUse,
 			              mmioAddress, accessSize, signExtend);
 			return;
 		}