stat.c remove unused variable

[Mark Lumsden]

Remove unused variable, linkfail. Unused since v1.6.

ok?

mark

Index: stat.c
===================================================================
RCS file: /cvs/src/usr.bin/stat/stat.c,v
retrieving revision 1.15
diff -u -p -r1.15 stat.c
--- stat.c      29 Jun 2010 20:51:05 -0000      1.15
+++ stat.c      31 Aug 2010 07:18:02 -0000
@@ -141,7 +141,6 @@ int format1(const struct stat *,    /* stat
            int, int);
 
 char *timefmt;
-int linkfail;
 
 #define addchar(s, c, nl) \
        do { \
@@ -164,7 +163,6 @@ main(int argc, char *argv[])
        usestat = 0;
        nonl = 0;
        quiet = 0;
-       linkfail = 0;
        statfmt = NULL;
        timefmt = NULL;
 
@@ -266,7 +264,6 @@ main(int argc, char *argv[])
 
                if (rc == -1) {
                        errs = 1;
-                       linkfail = 1;
                        if (!quiet)
                                warn("%s",
                                    argc == 0 ? "(stdin)" : argv[0]);
@@ -690,16 +687,14 @@ format1(const struct stat *st,
                        snprintf(path, sizeof(path), " -> ");
                        l = readlink(file, path + 4, sizeof(path) - 4 - 1);
                        if (l == -1) {
-                               linkfail = 1;
                                l = 0;
                                path[0] = '\0';
                        }
                        path[l + 4] = '\0';
                        sdata = path + (ofmt == FMTF_STRING ? 0 : 4);
-               } else {
-                       linkfail = 1;
+               } else
                        sdata = "";
-               }
+
                formats = FMTF_STRING;
                if (ofmt == 0)
                        ofmt = FMTF_STRING;