THRIFT-1735 do nothing when building with MINGW


git-svn-id: https://svn.apache.org/repos/asf/thrift/trunk@1401897 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/tutorial/Makefile.am b/tutorial/Makefile.am
index d82a056..aadc60e 100755
--- a/tutorial/Makefile.am
+++ b/tutorial/Makefile.am
@@ -19,6 +19,10 @@
 
 SUBDIRS = 
 
+if MINGW
+# do nothing, just build the compiler
+else
+
 if WITH_CPP
 SUBDIRS += cpp
 endif
@@ -54,3 +58,5 @@
 #
 all-local:
 	$(top_builddir)/compiler/cpp/thrift --gen html -r $(top_srcdir)/tutorial/tutorial.thrift
+
+endif