xrefresh: Changes to 'master'

[Alan Coopersmith]

 configure.ac |    3 +++
 xrefresh.c   |   22 ++++++++++++++++++----
 2 files changed, 21 insertions(+), 4 deletions(-)

New commits:
commit 1a26cd81c08c008f8252ca03211705ce4951bab2
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sun Jan 13 09:09:19 2013 -0800

    Use strcasecmp if available, instead of downcasing string before strcmp
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>

commit 865c7c3da3a827cff080a763613d02729e9d4e33
Author: Alan Coopersmith <alan.coopersmith at oracle.com>
Date:   Sun Jan 13 08:37:49 2013 -0800

    Fix implicit sign conversion & integer size truncation warnings
    
    xrefresh.c:125:14: warning: implicit conversion loses integer precision:
          'size_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
        arglen = strlen (arg);
               ~ ^~~~~~~~~~~~
    xrefresh.c:126:12: warning: implicit conversion loses integer precision:
          'size_t' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
        slen = strlen (s);
             ~ ^~~~~~~~~~
    xrefresh.c:132:26: warning: implicit conversion changes signedness: 'int' to
          'size_t' (aka 'unsigned long') [-Wsign-conversion]
        if (strncmp (arg, s, slen) == 0) return (True);
            ~~~~~~~          ^~~~
    
    Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>