Fixed typo - _pixelsPerRow() -> pixelsPerRow().
Fixed typo - _pixelsPerRow() -> pixelsPerRow().

oglops/OpenEXR,oglops/PyIlmBase,oglops/PyIlmBase,oglops/IlmBase,oglops/OpenEXR,oglops/PyIlmBase,oglops/IlmBase,oglops/PyIlmBase,oglops/IlmBase,oglops/OpenEXR