File gnupg-broken-curl-test.patch of Package gpg2.1687

--- m4/libcurl.m4.orig
+++ m4/libcurl.m4
@@ -68,13 +68,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
 
      _libcurl_try_link=yes
 
-     if test -d "$_libcurl_with" ; then
-        LIBCURL_CPPFLAGS="-I$withval/include"
-        _libcurl_ldflags="-L$withval/lib"
-        AC_PATH_PROG([_libcurl_config],["$withval/bin/curl-config"])
-     else
 	AC_PATH_PROG([_libcurl_config],[curl-config])
-     fi
 
      if test x$_libcurl_config != "x" ; then
         AC_CACHE_CHECK([for the version of libcurl],
@@ -141,7 +135,7 @@ AC_DEFUN([LIBCURL_CHECK_CONFIG],
            _libcurl_save_libs=$LIBS
            LIBS="$LIBCURL $LIBS"
 
-           AC_LINK_IFELSE([AC_LANG_PROGRAM([[include <curl/curl.h>]],[[
+           AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <curl/curl.h>]],[[
 /* Try and use a few common options to force a failure if we are
    missing symbols or cannot link. */
 int x;