nagachika	2011-06-10 00:31:02 +0900 (Fri, 10 Jun 2011)

  New Revision: 31974

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=31974

  Log:
    * gc.c: remove an unused declaration.

  Modified files:
    trunk/ChangeLog
    trunk/gc.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 31973)
+++ ChangeLog	(revision 31974)
@@ -1,3 +1,7 @@
+Fri Jun 10 00:25:03 2011  CHIKANAGA Tomoyuki  <nagachika00@g...>
+
+	* gc.c: remove an unused declaration.
+
 Fri Jun 10 00:24:04 2011  Tadayoshi Funaba  <tadf@d...>
 
 	* rational.c (string_to_r): Rational#** may return flonum.
Index: gc.c
===================================================================
--- gc.c	(revision 31973)
+++ gc.c	(revision 31974)
@@ -491,7 +491,6 @@
 
 #define HEAP_OBJ_LIMIT (HEAP_SIZE / sizeof(struct RVALUE))
 
-extern VALUE rb_cMutex;
 extern st_table *rb_class_tbl;
 
 int ruby_disable_gc_stress = 0;

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