include unistd.h to get prototypes of close() and read()
otherwise g++ complains

libproxy/url.cpp:439:13: error: 'close' was not declared in this scope
libproxy/url.cpp:398:37: error: 'read' was not declared in this scope

Signed-off-by: Khem Raj <raj.khem@gmail.com>

Upstream-Status: Pending

Index: libproxy-0.4.7/libproxy/url.cpp
===================================================================
--- libproxy-0.4.7.orig/libproxy/url.cpp	2012-03-01 09:51:11.254156247 -0800
+++ libproxy-0.4.7/libproxy/url.cpp	2012-03-01 09:56:12.058171256 -0800
@@ -33,6 +33,7 @@
 #include <cstdlib>    // For atoi()
 #include <sys/stat.h> // For stat()
 #include <algorithm> // For transform()
+#include <unistd.h> // For close(), read()
 
 #ifdef WIN32
 #include <io.h>