Fixed some minor issues, revealed by compiler warnings when using

BUILD/compile-pentium-debug-max

BitKeeper/etc/logging_ok

@@ -49,6 +49,7 @@ jani@dsl-kpogw4gb5.dial.inet.fi
 jani@hynda.(none)
 jani@hynda.mysql.fi
 jani@janikt.pp.saunalahti.fi
+jani@linux.local
 jani@rhols221.adsl.netsonic.fi
 jani@rhols221.arenanet.fi
 jani@ua126d19.elisa.omakaista.fi

sql/item_func.cc

@@ -3144,6 +3144,11 @@ Item_func_sp::fix_length_and_dec()
       decimals= 0;
       max_length= 21;
       break;
+    case ROW_RESULT:
+    default:
+      // This case should never be choosen
+      DBUG_ASSERT(0);
+      break;
     }
   }
   DBUG_VOID_RETURN;

sql/opt_range.cc

@@ -1014,6 +1014,7 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
           SEL_IMERGE *min_imerge= NULL;
           double  min_imerge_cost= DBL_MAX;
           ha_rows min_imerge_records;
+	  LINT_INIT(min_imerge_records); // Protected by min_imerge
           
           List_iterator_fast<SEL_IMERGE> it(tree->merges);
           while ((imerge= it++))

sql/sql_insert.cc

@@ -1140,7 +1140,9 @@ extern "C" pthread_handler_decl(handle_delayed_insert,arg)
       /* request for new delayed insert */
       if (!(thd->lock=mysql_lock_tables(thd,&di->table,1)))
       {
-	di->dead=thd->killed= THD::KILL_CONNECTION;			// Fatal error
+	/* Fatal error */
+	di->dead= 1;
+	thd->killed= THD::KILL_CONNECTION;
       }
       pthread_cond_broadcast(&di->cond_client);
     }
@@ -1148,7 +1150,9 @@ extern "C" pthread_handler_decl(handle_delayed_insert,arg)
     {
       if (di->handle_inserts())
       {
-	di->dead=thd->killed=THD::KILL_CONNECTION;			// Some fatal error
+	/* Some fatal error */
+	di->dead= 1;
+	thd->killed= THD::KILL_CONNECTION;
       }
     }
     di->status=0;
@@ -1175,7 +1179,8 @@ end:
 
   close_thread_tables(thd);			// Free the table
   di->table=0;
-  di->dead=thd->killed= THD::KILL_CONNECTION;	// If error
+  di->dead= 1;                                  // If error
+  thd->killed= THD::KILL_CONNECTION;	        // If error
   pthread_cond_broadcast(&di->cond_client);	// Safety
   pthread_mutex_unlock(&di->mutex);