Use XpmCloseness and attrs.closeness instead.
attrs.visual = FRAME_X_DISPLAY_INFO (f)->visual;
attrs.valuemask |= XpmVisual;
attrs.valuemask |= XpmReturnAllocPixels;
+#ifdef XpmAllocCloseColors
attrs.alloc_close_colors = 1;
attrs.valuemask |= XpmAllocCloseColors;
+#else
+ attrs.closeness = 600;
+ attrs.valuemask |= XpmCloseness;
+#endif
/* If image specification contains symbolic color definitions, add
these to `attrs'. */