qemu-char: remove a few needless #includes

This removes <syslog.h> since we don't use
syslogging, and removes second, solaris-specific,
include of <net/if.h> (which is included in
a common part of the file)
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

qemu-char.c

@@ -76,8 +76,6 @@
 #include <netinet/ip_icmp.h> // must come after ip.h
 #include <netinet/udp.h>
 #include <netinet/tcp.h>
-#include <net/if.h>
-#include <syslog.h>
 #endif
 #endif
 #endif