Add check for 'unsigned int' as type of arguments 4 and 6 of getnameinfo

acinclude.m4

@@ -204,7 +204,7 @@ AC_DEFUN([CURL_FUNC_GETNAMEINFO_ARGTYPES], [
     curl_cv_func_getnameinfo_args="unknown"
     for gni_arg1 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
       for gni_arg2 in 'socklen_t' 'size_t' 'int'; do
-        for gni_arg46 in 'size_t' 'int' 'socklen_t'; do
+        for gni_arg46 in 'size_t' 'int' 'socklen_t' 'unsigned int'; do
           for gni_arg7 in 'int' 'unsigned int'; do
             AC_COMPILE_IFELSE([
               AC_LANG_PROGRAM([