Remove empty lines.

mrbgems/mruby-eval/src/eval.c

@@ -13,7 +13,7 @@ get_closure_irep(mrb_state *mrb, int level)
   if (level == 0) {
     return mrb->c->ci[-1].proc->body.irep;
   }
-    
+
   while (--level) {
     e = (struct REnv*)e->c;
     if (!e) return NULL;

src/class.c

@@ -1944,7 +1944,7 @@ mrb_mod_module_function(mrb_state *mrb, mrb_value mod)
   int ai;
 
   mrb_check_type(mrb, mod, MRB_TT_MODULE);
-  
+
   mrb_get_args(mrb, "*", &argv, &argc);
   if(argc == 0) {
     /* set MODFUNC SCOPE if implemented */

test/t/module.rb

@@ -528,7 +528,7 @@ assert('Module#module_function') do
     def modfunc; end
     module_function :modfunc
   end
-  
+
   assert_true M.respond_to?(:modfunc)
 end