Remove unused initial value

[Michael McConville]

Found with the Clang static analyzer.


Index: c_ksh.c
===================================================================
RCS file: /cvs/src/bin/ksh/c_ksh.c,v
retrieving revision 1.35
diff -u -p -r1.35 c_ksh.c
--- c_ksh.c     1 Sep 2015 13:12:31 -0000       1.35
+++ c_ksh.c     7 Sep 2015 03:44:11 -0000
@@ -534,7 +534,7 @@ c_command(char **wp)
 int
 c_typeset(char **wp)
 {
-       struct block *l = e->loc;
+       struct block *l;
        struct tbl *vp, **p;
        Tflag fset = 0, fclr = 0;
        int thing = 0, func = 0, local = 0;