Remove the unused demangle_flag in collect2.c.

2011-07-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/49835
	* collect2.c (demangle_flag): Removed.

From-SVN: r176725

gcc/ChangeLog

+2011-07-24  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/49835
+	* collect2.c (demangle_flag): Removed.
+
 2011-07-24  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* configure.ac (demangler_in_ld): Default to yes.

gcc/collect2.c

@@ -179,7 +179,6 @@ struct head
 bool vflag;				/* true if -v or --version */ 
 static int rflag;			/* true if -r */
 static int strip_flag;			/* true if -s */
-static const char *demangle_flag;
 #ifdef COLLECT_EXPORT_LIST
 static int export_flag;                 /* true if -bE */
 static int aix64_flag;			/* true if -b64 */