Fixed free/delete mismatches

src/raspberrypi/devices/disk.cpp

@@ -1215,7 +1215,7 @@ Disk::~Disk()
 	}
 
 	for (auto const& command : commands) {
-		free(command.second);
+		delete command.second;
 	}
 }
 

src/raspberrypi/devices/scsi_daynaport.cpp

@@ -107,7 +107,7 @@ SCSIDaynaPort::~SCSIDaynaPort()
 	}
 
 	for (auto const& command : commands) {
-		free(command.second);
+		delete command.second;
 	}
 }
 

src/raspberrypi/devices/scsi_host_bridge.cpp

@@ -87,7 +87,7 @@ SCSIBR::~SCSIBR()
 	}
 
 	for (auto const& command : commands) {
-		free(command.second);
+		delete command.second;
 	}
 }
 

src/raspberrypi/devices/scsicd.cpp

@@ -263,7 +263,7 @@ SCSICD::~SCSICD()
 	ClearTrack();
 
 	for (auto const& command : commands) {
-		free(command.second);
+		delete command.second;
 	}
 }