fnptr-by-value-1_x.c, [...]: Guard non-C99 tests with SKIP_COMPLEX_INT, SKIP_ATTRIBUT...

fnptr-by-value-1_x.c, [...]: Guard non-C99 tests with SKIP_COMPLEX_INT, SKIP_ATTRIBUTE and SKIP_ZERO_ARRAY.

	* gcc.dg/compat/fnptr-by-value-1_x.c, scalar-by-value-1_y.c
	scalar-by-value-3_x.c, scalar-by-value-3_y.c,
	scalar-by-value-4_x.c, scalar-by-value-4_y.c,
	scalar-return-1_x.c, scalar-return-2_y.c,
	scalar-return-3_x.c, scalar-return-3_y.c,
	scalar-return-4_x.c, scalar-return-4_y.c,
	struct-align-1.h, struct-align-1_x.c,
	struct-align-1_y.c, struct-align-2.h,
	struct-align-2_x.c, struct-align-2_y.c,
	struct-by-value-10_y.c, struct-by-value-11_x.c,
	struct-by-value-11_y.c, struct-by-value-12_x.c,
	struct-by-value-12_y.c, struct-by-value-13_x.c,
	struct-by-value-13_y.c, struct-by-value-14_x.c,
	struct-by-value-14_y.c, struct-by-value-15_x.c,
	struct-by-value-15_y.c, struct-by-value-16_y.c,
	struct-by-value-17_y.c, struct-by-value-18_y.c,
	struct-by-value-19_y.c, struct-by-value-1_x.c,
	struct-by-value-1_y.c, struct-by-value-20_y.c,
	struct-by-value-2_x.c, struct-by-value-2_y.c,
	struct-by-value-3_y.c, struct-by-value-4_x.c,
	struct-by-value-4_y.c, struct-by-value-5_y.c,
	struct-by-value-6_y.c, struct-by-value-7_y.c
	struct-by-value-8_x.c, struct-by-value-8_y.c
	struct-by-value-9_x.c, struct-by-value-9_y.c
	struct-return-10_x.c, struct-return-10_y.c,
	struct-return-19_x.c, struct-return-20_x.c
	struct-return-2_x.c, struct-return-2_y.c
	struct-return-3_x.c: Guard non-C99 tests with SKIP_COMPLEX_INT,
	SKIP_ATTRIBUTE and SKIP_ZERO_ARRAY.  Turns SKIPVA into SKIP_VA.

From-SVN: r76170