Fix build in x86_64.

The recently added #elif should be an #else.

Bug: None
TEST=emerge-link chromeos-minijail

Change-Id: I5fcbaa4e51c6cf111a61fb33b7a90c9aa37398ca
diff --git a/util.c b/util.c
index c72640a..3de8eb7 100644
--- a/util.c
+++ b/util.c
@@ -29,7 +29,7 @@
 #if defined(__x86_64__)
 #if defined(__ANDROID__)
 const char *log_syscalls[] = {"socket", "connect", "fcntl", "writev"};
-#elif
+#else
 const char *log_syscalls[] = {"connect", "sendto"};
 #endif
 #elif defined(__i386__)