[PR middle-end/68166] Restore build with fold checking enabled

	gcc/
	PR middle-end/68166
	* fold-const.c: Include "md5.h".

From-SVN: r229652

gcc/ChangeLog

+2015-11-02  Thomas Schwinge  <thomas@codesourcery.com>
+
+	PR middle-end/68166
+	* fold-const.c: Include "md5.h".
+
 2015-11-01  Jeff Law <jeff@redhat.com>
 
 	* vmsdbgout.c: Revert unused header file reduction patch.

gcc/fold-const.c

@@ -71,6 +71,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "gimple-fold.h"
 #include "params.h"
 #include "tree-into-ssa.h"
+#include "md5.h"
 
 #ifndef LOAD_EXTEND_OP
 #define LOAD_EXTEND_OP(M) UNKNOWN