Re: pgsql: Split xlog.c into xlog.c and xlogrecovery.c.

There are some segfaults in the buildfarm because of this, eg:

Program terminated with signal 11, Segmentation fault.
Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 
2) [in module /usr/libexec/ld.so]
#0  memcpy (dst0=Variable "dst0" is not available.
) at /usr/src/lib/libc/string/memcpy.c:103
103	/usr/src/lib/libc/string/memcpy.c: No such file or directory.
	in /usr/src/lib/libc/string/memcpy.c
#0  memcpy (dst0=Variable "dst0" is not available.
) at /usr/src/lib/libc/string/memcpy.c:103
#1  0x00000317017597c3 in StartupXLOG () at xlog.c:5457
#2  0x0000031701c2413e in InitPostgres (in_dbname=0x0, dboid=0, 
username=0x0,
     useroid=0, out_dbname=0x0) at postinit.c:727
#3  0x000003170177265b in BootstrapModeMain (argc=6, argv=0x7f7ffffbbb90)
     at bootstrap.c:358
#4  0x000003170191f3da in main (argc=7, argv=0x7f7ffffbbb88) at main.c:191
Current language:  auto; currently minimal
$1 = void

I will investigate..

- Heikki