on *-*-openbsd*. Correctly match whitespace in regukar expressions.
* configure: Regenerated. * Makefile.in: Add gdb.dwarf2. * gdb.dwarf2/Makefile.in, gdb.dwarf2/dw2-basic.S, gdb.dwarf2/dw2-basic.exp, gdb.dwarf2/main.c, gdb.dwarf2/file1.txt: New files.