Merge "Add missing header include to libedify" am: 191a9da257 am: 99f1bd6a72 am: 2455ff0b8d am: 7951feda20

Original change: https://android-review.googlesource.com/c/platform/bootable/recovery/+/1930749

Change-Id: I6e2c32957887fe0b993b1777a2b51aa552621bdc
diff --git a/edify/parser.yy b/edify/parser.yy
index 37bcdd0..5e1e847 100644
--- a/edify/parser.yy
+++ b/edify/parser.yy
@@ -15,6 +15,7 @@
  * limitations under the License.
  */
 
+#include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>