* gcc.c-torture/compile/920625-2.c: Add return type to
	freeReturnStruct.
	* gcc.c-torture/execute/20091229-1.c: Declare main properly.
	* gcc.c-torture/execute/pr61375.c: Likewise.
	* gcc.c-torture/execute/20111208-1.c: Use __SIZE_TYPE__ for size_t.
	* gcc.dg/pr30904.c: Remove extern from declaration of t.

From-SVN: r217300