$NetBSD$

Since the package makefiles configure and build this library with a
C++ compiler (even though AFAICT it's C code) the configure script had
better use a valid C++ test program to see if the compiler works.

--- libhttpd/configure~	2006-03-05 13:39:37.000000000 +0000
+++ libhttpd/configure
@@ -662,7 +662,7 @@ cat > conftest.$ac_ext << EOF
 #line 663 "configure"
 #include "confdefs.h"
 
-main(){return(0);}
+int main(){return(0);}
 EOF
 if { (eval echo configure:668: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
