 A SINGLE CENTER FOUR PART STUDY IN HEALTHY ADULT SUBJECTS TO EVALUATE: THE SAFETY, TOLERABILITY AND PHARMACOKINETICS OF A SINGLE ORAL DOSE AND REPEAT ESCALATING ORAL DOSES OF GSK945237; THE EFFECT OF LINEZOLID ON HEMATOLOGY SAFETY PARAMETERS; AND THE EFFECTS OF GSK945237 AND MOXIFLOXACIN ON QTC.: 