patch 8.0.1137: cannot build with Ruby

Problem:    Cannot build with Ruby.
Solution:   Fix misplaced brace.

Author: brammool

src/if_ruby.c

@@ -1470,7 +1470,7 @@ static VALUE window_set_height(VALUE self, VALUE height)
 
 static VALUE window_width(VALUE self UNUSED)
 {
-    return INT2NUM(get_win(self->w_width));
+    return INT2NUM(get_win(self)->w_width);
 }
 
 static VALUE window_set_width(VALUE self UNUSED, VALUE width)

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1137,
 /**/
     1136,
 /**/