math: increase timeout for math/atest-*.c

These tests run in the 2-5 second range on tilegx, so just bump
up the timeout to 10 seconds generically.
iconvdata/tst-loading: bump up timeout to 10s
Fix array bounds warnings in elf_get_dyanmic_info() on sparc with gcc-4.6

	* get-dynamic-info.h (elf_get_dynamic_info): Ignore -Warray-bounds for a
	link_map->l_info array access.
Fix soft-fp build warning on sparc about strict aliasing.

	* sysdeps/sparc/sparc32/soft-fp/q_neg.c (_Q_neg): Use a union to
	access the quad as both a long double and as a series of 4 words.
Compile vismain with -fPIC and link with -pie
Replace %ld with %jd and cast to intmax_t
Replace %ld with %jd and cast to intmax_t
Replace %ld with %jd and cast to intmax_t
Replace %ld with %jd and cast to intmax_t
Replace %ld/%lu with %jd/%ju and cast to intmax_t/uintmax_t
Replace %ld with %jd and cast to intmax_t
Replace %ld with %jd and cast to intmax_t
Replace %ld with %jd and cast to intmax_t
Replace %ld with %jd and cast to intmax_t