StatefulMem* functions should be library functions.

src/platform/vboot_reference/vboot_firmware/lib/cryptolib/sha2.c

Index: src/platform/vboot_reference/vboot_firmware/lib/cryptolib/sha2.c
diff --git a/src/platform/vboot_reference/vboot_firmware/lib/cryptolib/sha2.c b/src/platform/vboot_reference/vboot_firmware/lib/cryptolib/sha2.c
index 7f476567649d118235d4c03b7fbadb21eb3cc911..e7f78885b25983e0b8c837b23e9fb1b01243ee02 100644
--- a/src/platform/vboot_reference/vboot_firmware/lib/cryptolib/sha2.c
+++ b/src/platform/vboot_reference/vboot_firmware/lib/cryptolib/sha2.c
@@ -378,7 +378,7 @@ uint8_t* SHA256_final(SHA256_CTX* ctx) {
     len_b = (ctx->tot_len + ctx->len) << 3;
     pm_len = block_nb << 6;
 
-    memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+    Memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
     ctx->block[ctx->len] = 0x80;
     UNPACK32(len_b, ctx->block + pm_len - 4);
 
@@ -568,7 +568,7 @@ uint8_t* SHA512_final(SHA512_CTX* ctx)
     len_b = (ctx->tot_len + ctx->len) << 3;
     pm_len = block_nb << 7;
 
-    memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
+    Memset(ctx->block + ctx->len, 0, pm_len - ctx->len);
     ctx->block[ctx->len] = 0x80;
     UNPACK32(len_b, ctx->block + pm_len - 4);