add parentheses to macro

auth.h

@@ -81,9 +81,9 @@ void cli_auth_pubkey_cleanup();
 #define MAX_USERNAME_LEN 25 /* arbitrary for the moment */
 
 #define AUTH_TYPE_NONE      1
-#define AUTH_TYPE_PUBKEY    1 << 1
-#define AUTH_TYPE_PASSWORD  1 << 2
-#define AUTH_TYPE_INTERACT  1 << 3
+#define AUTH_TYPE_PUBKEY    (1 << 1)
+#define AUTH_TYPE_PASSWORD  (1 << 2)
+#define AUTH_TYPE_INTERACT  (1 << 3)
 
 #define AUTH_METHOD_NONE "none"
 #define AUTH_METHOD_NONE_LEN 4

dbrandom.c

@@ -32,7 +32,7 @@
 /* this is used to generate unique output from the same hashpool */
 static uint32_t counter = 0;
 /* the max value for the counter, so it won't integer overflow */
-#define MAX_COUNTER 1<<30 
+#define MAX_COUNTER (1<<30)
 
 static unsigned char hashpool[SHA1_HASH_SIZE] = {0};
 static int donerandinit = 0;

rsa.h

@@ -30,7 +30,7 @@
 
 #ifdef DROPBEAR_RSA 
 
-#define RSA_SIGNATURE_SIZE 4+7+4+40
+#define RSA_SIGNATURE_SIZE (4+7+4+40)
 
 typedef struct {