Replaced a couple of strcasecmps.

sql/sp.cc

@@ -348,7 +348,7 @@ sp_cache_functions(THD *thd, LEX *lex)
 
     while ((sp= lisp++))
     {
-      if (strcasecmp(fn, sp->name()) == 0)
+      if (my_strcasecmp(system_charset_info, fn, sp->name()) == 0)
 	break;
     }
     if (sp)

sql/sp_head.cc

@@ -358,7 +358,7 @@ sp_head::restore_lex(THD *thd)
     char **it;
 
     while ((it= li++))
-      if (strcasecmp(proc, *it) == 0)
+      if (my_strcasecmp(system_charset_info, proc, *it) == 0)
 	break;
     if (! it)
       m_calls.push_back(&proc);
@@ -380,7 +380,7 @@ sp_head::restore_lex(THD *thd)
       char **tb;
 
       while ((tb= li++))
-	if (strcasecmp(tables->real_name, *tb) == 0)
+	if (my_strcasecmp(system_charset_info, tables->real_name, *tb) == 0)
 	  break;
       if (! tb)
 	m_tables.push_back(&tables->real_name);

sql/sp_pcontext.cc

@@ -120,7 +120,7 @@ sp_pcontext::find_label(char *name)
   sp_label_t *lab;
 
   while ((lab= li++))
-    if (strcasecmp(name, lab->name) == 0)
+    if (my_strcasecmp(system_charset_info, name, lab->name) == 0)
       return lab;
 
   return NULL;