mhbuild.man: Avoid using format-free printf(3) in example.

It pops up in searches for printf()s that could be fputs(),
and as printf() it doesn't output the trailing `\n' to end the line.
Replace with puts().  Lowercase Kernighan's message, as he wrote it.

diff --git a/man/mhbuild.man b/man/mhbuild.man
index 5fdf7c2..8e87209 100644 (file)
--- a/man/mhbuild.man
+++ b/man/mhbuild.man
@@ -346,7 +346,7 @@ directives, without causing errors:
 .nf
 #off
 #include <stdio.h>
-printf("Hello, World!");
+puts("hello, world!");
 #pop
 .fi
 .RE