[PATCH 2/5] Clean up count_implicit_rule_limits()

[Mark Seaborn]

 * Removed unused variable, simplify loop.
 * Corrected comment.

---
 rule.c |   13 +++----------
 1 files changed, 3 insertions(+), 10 deletions(-)

diff --git a/rule.c b/rule.c
index d08383b..a12f9d1 100644
--- a/rule.c
+++ b/rule.c
@@ -61,28 +61,24 @@ unsigned int maxsuffix;
 
 /* Compute the maximum dependency length and maximum number of
    dependencies of all implicit rules.  Also sets the subdir
-   flag for a rule when appropriate, possibly removing the rule
-   completely when appropriate.  */
+   flag for a rule when appropriate.  */
 
 void
 count_implicit_rule_limits (void)
 {
   char *name;
   int namelen;
-  register struct rule *rule, *lastrule;
+  register struct rule *rule;
 
   num_pattern_rules = max_pattern_targets = max_pattern_deps = 0;
   max_pattern_dep_length = 0;
 
   name = 0;
   namelen = 0;
-  rule = pattern_rules;
-  lastrule = 0;
-  while (rule != 0)
+  for (rule = pattern_rules; rule != NULL; rule = rule->next)
     {
       unsigned int ndeps = 0;
       register struct dep *dep;
-      struct rule *next = rule->next;
       unsigned int ntargets;
 
       ++num_pattern_rules;
@@ -142,9 +138,6 @@ count_implicit_rule_limits (void)
 
       if (ndeps > max_pattern_deps)
        max_pattern_deps = ndeps;
-
-      lastrule = rule;
-      rule = next;
     }
 
   if (name != 0)
--