Add support for Android

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/init.c b/init.c
index 7021741..29a50f2 100644
--- a/init.c
+++ b/init.c
@@ -9,7 +9,9 @@
 #include <string.h>
 #include <errno.h>
 #include <sys/ipc.h>
+#ifndef FIO_NO_HAVE_SHM_H
 #include <sys/shm.h>
+#endif
 #include <sys/types.h>
 #include <sys/stat.h>