Cleanup: move trailing comments to avoid wrapping code

Some statements were split across multiple lines because of their
trailing comments.

In most cases it's clearer to put the comments above.

source/blender/python/generic/idprop_py_api.c

@@ -1428,8 +1428,9 @@ static int BPy_IDArray_ass_slice(BPy_IDArray *self, int begin, int end, PyObject
   size = (end - begin);
   alloc_len = size * elem_size;
 
-  vec = MEM_mallocN(alloc_len,
-                    "array assignment"); /* NOTE: we count on int/float being the same size here */
+  /* NOTE: we count on int/float being the same size here */
+  vec = MEM_mallocN(alloc_len, "array assignment");
+
   if (PyC_AsArray(vec, seq, size, py_type, is_double, "slice assignment: ") == -1) {
     MEM_freeN(vec);
     return -1;