programs/test/metatest indirectly includes library/common.h

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/programs/Makefile b/programs/Makefile
index 7b538da..a3fa816 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -416,7 +416,7 @@
 
 test/metatest$(EXEXT): test/metatest.c $(DEP)
 	echo "  CC    test/metatest.c"
-	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) test/metatest.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
+	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -I ../library test/metatest.c    $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
 
 test/query_config.o: test/query_config.c test/query_config.h $(DEP)
 	echo "  CC    test/query_config.c"