am 5e2e4fd5: am e2cda953: Merge "Fix missing <stdarg.h>."

* commit '5e2e4fd5c8fa4fd819b7080ad374a2a62b98ad82':
  Fix missing <stdarg.h>.
diff --git a/fastboot/engine.cpp b/fastboot/engine.cpp
index bda6ad8..a0e990a 100644
--- a/fastboot/engine.cpp
+++ b/fastboot/engine.cpp
@@ -30,6 +30,7 @@
 #include "fs.h"
 
 #include <errno.h>
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>