Fix use of sizeof without brackets

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/ccm.c b/library/ccm.c
index 0b02d77..36c999e 100644
--- a/library/ccm.c
+++ b/library/ccm.c
@@ -659,7 +659,7 @@
     mbedtls_ccm_init(&ctx);
 
     if (mbedtls_ccm_setkey(&ctx, MBEDTLS_CIPHER_ID_AES, key_test_data,
-                           8 * sizeof key_test_data) != 0) {
+                           8 * sizeof(key_test_data)) != 0) {
         if (verbose != 0) {
             mbedtls_printf("  CCM: setup failed");
         }
diff --git a/library/ecp_curves.c b/library/ecp_curves.c
index 727283f..7987c3f 100644
--- a/library/ecp_curves.c
+++ b/library/ecp_curves.c
@@ -4507,7 +4507,7 @@
     defined(MBEDTLS_ECP_DP_CURVE448_ENABLED)
 /*
  * Create an MPI from embedded constants
- * (assumes len is an exact multiple of sizeof mbedtls_mpi_uint)
+ * (assumes len is an exact multiple of sizeof(mbedtls_mpi_uint))
  */
 static inline void ecp_mpi_load(mbedtls_mpi *X, const mbedtls_mpi_uint *p, size_t len)
 {
@@ -5370,7 +5370,7 @@
     if (M.n > p_limbs + adjust) {
         M.n = p_limbs + adjust;
     }
-    memset(Mp, 0, sizeof Mp);
+    memset(Mp, 0, sizeof(Mp));
     memcpy(Mp, N->p + p_limbs - adjust, M.n * sizeof(mbedtls_mpi_uint));
     if (shift != 0) {
         MBEDTLS_MPI_CHK(mbedtls_mpi_shift_r(&M, shift));
@@ -5396,7 +5396,7 @@
     if (M.n > p_limbs + adjust) {
         M.n = p_limbs + adjust;
     }
-    memset(Mp, 0, sizeof Mp);
+    memset(Mp, 0, sizeof(Mp));
     memcpy(Mp, N->p + p_limbs - adjust, M.n * sizeof(mbedtls_mpi_uint));
     if (shift != 0) {
         MBEDTLS_MPI_CHK(mbedtls_mpi_shift_r(&M, shift));
diff --git a/library/entropy.c b/library/entropy.c
index 7e25f28..e55410c 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -677,7 +677,7 @@
         goto cleanup;
     }
 
-    if ((ret = mbedtls_entropy_update_manual(&ctx, buf, sizeof buf)) != 0) {
+    if ((ret = mbedtls_entropy_update_manual(&ctx, buf, sizeof(buf))) != 0) {
         goto cleanup;
     }
 
diff --git a/library/ripemd160.c b/library/ripemd160.c
index eed664f..ba97c1f 100644
--- a/library/ripemd160.c
+++ b/library/ripemd160.c
@@ -456,7 +456,7 @@
     int i, ret = 0;
     unsigned char output[20];
 
-    memset(output, 0, sizeof output);
+    memset(output, 0, sizeof(output));
 
     for (i = 0; i < TESTS; i++) {
         if (verbose != 0) {
diff --git a/library/x509_crt.c b/library/x509_crt.c
index 0330097..eabafe9 100644
--- a/library/x509_crt.c
+++ b/library/x509_crt.c
@@ -1652,10 +1652,10 @@
     memset(&sb, 0, sizeof(sb));
 
     while ((entry = readdir(dir)) != NULL) {
-        snp_ret = mbedtls_snprintf(entry_name, sizeof entry_name,
+        snp_ret = mbedtls_snprintf(entry_name, sizeof(entry_name),
                                    "%s/%s", path, entry->d_name);
 
-        if (snp_ret < 0 || (size_t) snp_ret >= sizeof entry_name) {
+        if (snp_ret < 0 || (size_t) snp_ret >= sizeof(entry_name)) {
             ret = MBEDTLS_ERR_X509_BUFFER_TOO_SMALL;
             goto cleanup;
         } else if (stat(entry_name, &sb) == -1) {