updated for version 7.3.563
Problem:    Can't build with tiny features.
Solution:   Add #ifdef.
diff --git a/src/buffer.c b/src/buffer.c
index 1834291..c84e6d5 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -1363,7 +1363,9 @@
     int		action;
 {
     buf_T	*prevbuf;
+#ifdef FEAT_WINDOWS
     win_T	*prevwin;
+#endif
     int		unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL
 						     || action == DOBUF_WIPE);
 
@@ -1403,16 +1405,20 @@
 	if (buf_valid(prevbuf))
 #endif
 	{
+#ifdef FEAT_WINDOWS
 	    prevwin = curwin;
+#endif
 	    if (prevbuf == curbuf)
 		u_sync(FALSE);
 	    close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf,
 		    unload ? action : (action == DOBUF_GOTO
 			&& !P_HID(prevbuf)
 			&& !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0, FALSE);
+#ifdef FEAT_WINDOWS
 	    if (curwin != prevwin && win_valid(prevwin))
 	      /* autocommands changed curwin, Grr! */
 	      curwin = prevwin;
+#endif
 	}
     }
 #ifdef FEAT_AUTOCMD
@@ -1420,12 +1426,12 @@
      * it did ":bunload") or aborted the script processing!
      * If curwin->w_buffer is null, enter_buffer() will make it valid again */
     if ((buf_valid(buf) && buf != curbuf
-#ifdef FEAT_EVAL
+# ifdef FEAT_EVAL
 	    && !aborting()
-#endif
-#ifdef FEAT_WINDOWS
+# endif
+# ifdef FEAT_WINDOWS
 	 ) || curwin->w_buffer == NULL
-#endif
+# endif
        )
 #endif
 	enter_buffer(buf);
diff --git a/src/version.c b/src/version.c
index 0b54738..38818ee 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    563,
+/**/
     562,
 /**/
     561,