allocate_saved_f77_common_node, allocate_common_entry_node,
add_common_block): Use xmalloc rather than malloc, some of which
were unchecked.
* gnu-regex.c: At same point as other gdb specific changes
#undef malloc and then #define it to xmalloc.
* ch-exp.c (growbuf_by_size): Use xmalloc/xrealloc rather than
bare unchecked calls to malloc/realloc.
* stabsread.c (dbx_lookup_type): Use xmalloc rather than bare
unchecked call to malloc.
* regex.c: Renamed to gnu-regex.c.
* Makefile.in (POSSLIBS): Refer to gnu-regex.h and gnu-regex.c.
(REGEX, REGEX1): Change to gnu-regex.o instead of regex.o.
(regex.o): Renamed to gnu-regex.o; refer to gnu-regex.c.
(irix5-nat.o, osfsolib.o, gnu-regex.o, solib.o, source.o, symtab.o):
Likewise.
* irix5-nat.c, osfsolib.c, gnu-regex.c, solib.c, source.c, symtab.c):
Include "gnu-regex.h" instead of "regex.h".
* alpha-tdep.c (in_prologue): Rename to alpha_in_prologue, to
avoid conflicts with symtab.h.
fixes building gdb under OSF/1 4.0
