Fix Darwin build.

TEMP_FAILURE_RETRY in fs.cpp.

Bug: N/A
Test: N/A
Change-Id: If77da90eeb59e485d5caf4a2e73f7aa91801be2a
diff --git a/fastboot/fs.cpp b/fastboot/fs.cpp
index a1e1677..14dabaa 100644
--- a/fastboot/fs.cpp
+++ b/fastboot/fs.cpp
@@ -20,6 +20,7 @@
 
 #include <android-base/errors.h>
 #include <android-base/file.h>
+#include <android-base/macros.h>
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>