Fixed race condition in xtrans_interpolate in dcraw
Fixed race condition in xtrans_interpolate in dcraw

ktgw0316/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,ktgw0316/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone,MarinnaCole/LightZone