Revert spurious change to whitespace

src/lua/lgc.cpp

@@ -1059,7 +1059,7 @@ static lu_mem singlestep (lua_State *L) {
         g->gcstate = GCSatomic;  /* finish mark phase */
         g->GCestimate = g->GCmemtrav;  /* save what was counted */;
         work = atomic(L);  /* add what was traversed by 'atomic' */
-        g->GCestimate += work;  /* estimate of total memory traversed */
+        g->GCestimate += work;  /* estimate of total memory traversed */ 
         sw = entersweep(L);
         return work + sw * GCSWEEPCOST;
       }