Handle NULL return from htab_find_slot()
Avoid passing NULL to DSO_FILENAME.
PowerPC: Fix __fe_mask_env export

This patch does not export __fe_mask_env anymore, only providing a
compatibility symbol. It fixes BZ#14143.
Fix strtod rounding of half the least subnormal (bug 16151).
Set arch_minimum_kernel to 3.4.0 for x32

x32 ABI support was added in Linux kernel 3.4.0.
2013-11-13  Steve Ellcey  <sellcey@mips.com>

	* benchtests/bench-timing.h: Include time.h.
PowerPC: Fix __fe_mask_env export

Change SHLIB_COMPAT calls to GLIBC_2_19 for __fe_nomask_env symbol.