tests: Use -fno-strict-aliasing for memtest

There's just no way to do this piece correctly:
    int dummy = 0;
    printf("corrupting our stack...\n");
    *(volatile long long*)&dummy = 0;

Change-Id: If02ff71b3c23c3d8118694f6edba0ecf904baf8a
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
diff --git a/tests/memtest/Android.mk b/tests/memtest/Android.mk
index 3b893f6..ad239f0 100644
--- a/tests/memtest/Android.mk
+++ b/tests/memtest/Android.mk
@@ -15,7 +15,7 @@
 LOCAL_MODULE_TAGS := optional
 
 ## LOCAL_CFLAGS += -fstack-protector-all
-LOCAL_CFLAGS += -fomit-frame-pointer
+LOCAL_CFLAGS += -fomit-frame-pointer -fno-strict-aliasing
 
 include $(BUILD_EXECUTABLE)
 endif