update bundled src

Author: raedrizqie

extern/btyacc/defs.h

@@ -297,7 +297,7 @@ extern Yshort nunused;
 extern Yshort final_state;
 
 /* system variable */
-#ifndef _MSC_VER
+#ifndef _WIN32
 extern int errno;
 #endif
 

extern/btyacc/mkpar.c

@@ -177,10 +177,12 @@ void unused_rules()
 	if (!rules_used[i]) ++nunused;
 
     if (nunused)
+    {
 	if (nunused == 1)
 	    fprintf(stderr, "%s: 1 rule never reduced\n", myname);
 	else
 	    fprintf(stderr, "%s: %d rules never reduced\n", myname, nunused);
+    }
 }
 
 

extern/cloop/src/cloop/Main.cpp

@@ -28,7 +28,7 @@
 #include <string>
 #include <stdexcept>
 
-using std::auto_ptr;
+using std::unique_ptr;
 using std::cerr;
 using std::endl;
 using std::exception;
@@ -66,7 +66,7 @@ static void run(int argc, const char* argv[])
 	Parser parser(&lexer);
 	parser.parse();
 
-	auto_ptr<Generator> generator;
+	unique_ptr<Generator> generator;
 
 	if (outFormat == "c++")
 	{