Reorder curl_socklen_t and socklen_t equivalent check while both coexist

configure.ac

@@ -1997,11 +1997,11 @@ AC_CHECK_TYPE([bool],[
 #endif
 ])
 
+CURL_CONFIGURE_CURL_SOCKLEN_T
+
 # Check for socklen_t or equivalent
 CURL_CHECK_TYPE_SOCKLEN_T
 
-CURL_CONFIGURE_CURL_SOCKLEN_T
-
 TYPE_IN_ADDR_T
 
 TYPE_SOCKADDR_STORAGE