* remove trailing spaces. [ci skip]

test/ruby/test_gc.rb

@@ -96,7 +96,7 @@ class TestGc < Test::Unit::TestCase
     ObjectSpace.count_objects(count)
     # repeat same methods invocation for cache object creation.
     GC.stat(stat)
-    ObjectSpace.count_objects(count) 
+    ObjectSpace.count_objects(count)
     assert_equal(count[:TOTAL]-count[:FREE], stat[:heap_live_slots])
     assert_equal(count[:FREE], stat[:heap_free_slots])
 

vm_callinfo.h

@@ -225,7 +225,7 @@ typedef VALUE (*vm_call_handler)(
 // imemo_callcache
 
 struct rb_callcache {
-    const VALUE flags; 
+    const VALUE flags;
 
     /* inline cache: key */
     const VALUE klass; // should not mark it because klass can not be free'd