[perl #120806] Minor doc fix in perlfunc

# New Ticket Created by  Peter Martini 
# Please include the string:  [perl #120806]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org/Ticket/Display.html?id=120806 >


Noticed today that 'chown' in perlfunc references portability issues
in 'chmod' instead of 'chown'.  Attached is a patch for those three
characters.

And my perl -V for the spam gods:

perl -V
Summary of my perl5 (revision 5 version 18 subversion 1) configuration:
  Commit id: 75c3005ee5b6ece3ad3c827cb300945f672c2bd1
  Platform:
    osname=linux, osvers=3.8.0-31-generic, archname=x86_64-linux
    uname='linux pmubuntu 3.8.0-31-generic #46-ubuntu smp tue sep 10
20:03:44 utc 2013 x86_64 x86_64 x86_64 gnulinux '
    config_args='-des'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=undef, usemultiplicity=undef
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-fno-strict-aliasing -pipe -fstack-protector
-I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2',
    cppflags='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.7.3', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /lib/x86_64-linux-gnu /lib/../lib
/usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib /usr/lib
    libs=-lnsl -ldl -lm -lcrypt -lutil -lc
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
    libc=, so=so, useshrplib=false, libperl=libperl.a
    gnulibc_version='2.17'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib
-fstack-protector'


Characteristics of this binary (from libperl):
  Compile-time options: HAS_TIMES PERLIO_LAYERS PERL_DONT_CREATE_GVSV
                        PERL_HASH_FUNC_ONE_AT_A_TIME_HARD PERL_MALLOC_WRAP
                        PERL_PRESERVE_IVUV PERL_SAWAMPERSAND USE_64_BIT_ALL
                        USE_64_BIT_INT USE_LARGE_FILES USE_LOCALE
                        USE_LOCALE_COLLATE USE_LOCALE_CTYPE
                        USE_LOCALE_NUMERIC USE_PERLIO USE_PERL_ATOF
  Built under linux
  Compiled at Oct 28 2013 14:32:58
  @INC:
    /usr/local/lib/perl5/site_perl/5.18.1/x86_64-linux
    /usr/local/lib/perl5/site_perl/5.18.1
    /usr/local/lib/perl5/5.18.1/x86_64-linux
    /usr/local/lib/perl5/5.18.1
    .

• [perl #120806] Minor doc fix in perlfunc by Tony Cook via RT
• [perl #120806] Minor doc fix in perlfunc by Peter Martini