email: Slight reordering of connection based variables

Reordered the state and ssl_done variables in order to provide more
consistency between the email protocols as well as for for an upcoming
change.

lib/imap.h

@@ -67,12 +67,12 @@ struct IMAP {
    struct */
 struct imap_conn {
   struct pingpong pp;
+  imapstate state;            /* Always use imap.c:state() to change state! */
+  bool ssldone;               /* Is connect() over SSL done? */
   unsigned int authmechs;     /* Accepted authentication mechanisms */
   unsigned int authused;      /* Auth mechanism used for the connection */
-  imapstate state;            /* Always use imap.c:state() to change state! */
   int cmdid;                  /* Last used command ID */
   char resptag[5];            /* Response tag to wait for */
-  bool ssldone;               /* Is connect() over SSL done? */
   bool tls_supported;         /* StartTLS capability supported by server */
   bool login_disabled;        /* LOGIN command disabled by server */
   bool ir_supported;          /* Initial response supported by server */

lib/pop3.h

@@ -66,6 +66,8 @@ struct POP3 {
    struct */
 struct pop3_conn {
   struct pingpong pp;
+  pop3state state;        /* Always use pop3.c:state() to change state! */
+  bool ssldone;           /* Is connect() over SSL done? */
   size_t eob;             /* Number of bytes of the EOB (End Of Body) that
                              have been received so far */
   size_t strip;           /* Number of bytes from the start to ignore as
@@ -74,8 +76,6 @@ struct pop3_conn {
   unsigned int authmechs; /* Accepted SASL authentication mechanisms */
   unsigned int authused;  /* SASL auth mechanism used for the connection */
   char *apoptimestamp;    /* APOP timestamp from the server greeting */
-  pop3state state;        /* Always use pop3.c:state() to change state! */
-  bool ssldone;           /* Is connect() over SSL done? */
   bool tls_supported;     /* StartTLS capability supported by server */
 };
 

lib/smtp.h

@@ -66,13 +66,13 @@ struct SMTP {
    struct */
 struct smtp_conn {
   struct pingpong pp;
+  smtpstate state;         /* Always use smtp.c:state() to change state! */
+  bool ssldone;            /* Is connect() over SSL done? */
   char *domain;            /* Client address/name to send in the EHLO */
   size_t eob;              /* Number of bytes of the EOB (End Of Body) that
                               have been received so far */
   unsigned int authmechs;  /* Accepted authentication mechanisms */
   unsigned int authused;   /* Auth mechanism used for the connection */
-  smtpstate state;         /* Always use smtp.c:state() to change state! */
-  bool ssldone;            /* Is connect() over SSL done? */
   bool tls_supported;      /* StartTLS capability supported by server */
   bool size_supported;     /* If server supports SIZE extension according to
                               RFC 1870 */