Revert r246175 to get builder green again.

llvm-svn: 246185
diff --git a/llvm/docs/tutorial/LangImpl4.rst b/llvm/docs/tutorial/LangImpl4.rst
index 92dcc3d..702886f 100644
--- a/llvm/docs/tutorial/LangImpl4.rst
+++ b/llvm/docs/tutorial/LangImpl4.rst
@@ -566,7 +566,7 @@
 
     /// putchard - putchar that takes a double and returns 0.
     extern "C" double putchard(double X) {
-      fputc((char)X, stderr);
+      putchar((char)X);
       return 0;
     }