Suppress the unused variable warning in parser.yy

The warning says: bootable/recovery/edify/parser.yy:123.3-9: warning:
unused value: $1

Bug: 36678950
Test: mma
Change-Id: Ic734c416a5a8f62fb5e516669102c1d2b4ad5083

parent 27c3e478

edify/parser.yy

+3 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,8 @@
		#include <string>
		#include <vector>

		#include <android-base/macros.h>

		#include "expr.h"
		#include "yydefs.h"
		#include "parser.h"
		@@ -121,6 +123,7 @@ arglist: /* empty */ {
		$$->emplace_back($1);
		}
		\| arglist ',' expr {
		UNUSED($1);
		$$->push_back(std::unique_ptr<Expr>($3));
		}
		;