curl_easy_pause.3: fix man page reference

docs/libcurl/curl_easy_pause.3

@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -79,7 +79,7 @@ Before libcurl 7.32.0, when a specific handle was unpaused with this function,
 there was no particular forced rechecking or similar of the socket's state,
 which made the continuation of the transfer get delayed until next
 multi-socket call invoke or even longer. Alternatively, the user could
-forcibly call for example curl_multi_socket_all(3) - with a rather hefty
+forcibly call for example \fIcurl_multi_socket_all(3)\fP - with a rather hefty
 performance penalty.
 
 Starting in libcurl 7.32.0, unpausing a transfer will schedule a timeout