[C++] Use asts instead of stmts for consistency
diff --git a/ast.h b/ast.h
index 2b2b472..21f79a2 100644
--- a/ast.h
+++ b/ast.h
@@ -91,8 +91,8 @@
   CondOp op;
   Value* lhs;
   Value* rhs;
-  vector<AST*> true_stmts;
-  vector<AST*> false_stmts;
+  vector<AST*> true_asts;
+  vector<AST*> false_asts;
 
   virtual ~IfAST();
 
diff --git a/eval.cc b/eval.cc
index 62b6aa0..46b2736 100644
--- a/eval.cc
+++ b/eval.cc
@@ -127,9 +127,9 @@
 
   const vector<AST*>* asts;
   if (is_true) {
-    asts = &ast->true_stmts;
+    asts = &ast->true_asts;
   } else {
-    asts = &ast->false_stmts;
+    asts = &ast->false_asts;
   }
   for (AST* a : *asts) {
     a->Eval(this);
diff --git a/parser.cc b/parser.cc
index 2bd0169..8e012ab 100644
--- a/parser.cc
+++ b/parser.cc
@@ -240,7 +240,7 @@
     st->ast = ast;
     st->is_in_else = false;
     st->num_nest = num_if_nest_;
-    out_asts_ = &ast->true_stmts;
+    out_asts_ = &ast->true_asts;
   }
 
   void ParseEndif(StringPiece, StringPiece) {
@@ -254,9 +254,9 @@
       } else {
         IfState* st = if_stack_.top();
         if (st->is_in_else)
-          out_asts_ = &st->ast->false_stmts;
+          out_asts_ = &st->ast->false_asts;
         else
-          out_asts_ = &st->ast->true_stmts;
+          out_asts_ = &st->ast->true_asts;
       }
     }
   }