ext/dl, ext/fiddle: fix memory leak

* ext/dl/cptr.c (dlptr_free), ext/dl/handle.c (dlhandle_free),
  ext/fiddle/handle.c (fiddle_handle_free),
  ext/fiddle/pointer.c (fiddle_ptr_free): fix memory leak.
  based on the patch Heesob Park at [ruby-dev:48021] [Bug ruby#9599].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45291 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Sat Mar  8 13:46:40 2014  Nobuyoshi Nakada  <[email protected]>
+
+	* ext/dl/cptr.c (dlptr_free), ext/dl/handle.c (dlhandle_free),
+	  ext/fiddle/handle.c (fiddle_handle_free),
+	  ext/fiddle/pointer.c (fiddle_ptr_free): fix memory leak.
+	  based on the patch Heesob Park at [ruby-dev:48021] [Bug #9599].
+
 Sat Mar  8 13:30:39 2014  Nobuyoshi Nakada  <[email protected]>
 
 	* process.c (obj2uid, obj2gid): now getpwnam_r() and getgrnam_r()

ext/dl/cptr.c

@@ -49,6 +49,7 @@ dlptr_free(void *ptr)
 	    (*(data->free))(data->ptr);
 	}
     }
+    xfree(ptr);
 }
 
 static size_t

ext/dl/handle.c

@@ -38,6 +38,7 @@ dlhandle_free(void *ptr)
     if( dlhandle->ptr && dlhandle->open && dlhandle->enable_close ){
 	dlclose(dlhandle->ptr);
     }
+    xfree(ptr);
 }
 
 static size_t

ext/fiddle/handle.c

@@ -40,6 +40,7 @@ fiddle_handle_free(void *ptr)
     if( fiddle_handle->ptr && fiddle_handle->open && fiddle_handle->enable_close ){
 	dlclose(fiddle_handle->ptr);
     }
+    xfree(ptr);
 }
 
 static size_t

ext/fiddle/pointer.c

@@ -65,6 +65,7 @@ fiddle_ptr_free(void *ptr)
 	    (*(data->free))(data->ptr);
 	}
     }
+    xfree(ptr);
 }
 
 static size_t