Fix for previous commit

Stdin mode wouldn't work with normal compiler optimisation levels.

client/pub_client.c

@@ -45,6 +45,7 @@ static int line_buf_len = 1024;
 static bool disconnect_sent = false;
 static int publish_count = 0;
 static bool ready_for_repeat = false;
+static volatile int status = STATUS_CONNECTING;
 
 #ifdef WIN32
 static uint64_t next_publish_tv;
@@ -223,7 +224,7 @@ int pub_shared_loop(struct mosquitto *mosq)
 {
 	int read_len;
 	int pos;
-	int rc;
+	int rc = MOSQ_ERR_SUCCESS;
 	char *buf2;
 	int buf_len_actual;
 	int mode;

client/pub_shared.c

@@ -37,7 +37,6 @@ Contributors:
 /* Global variables for use in callbacks. See sub_client.c for an example of
  * using a struct to hold variables for use in callbacks. */
 int mid_sent = -1;
-int status = STATUS_CONNECTING;
 struct mosq_config cfg;
 
 void my_log_callback(struct mosquitto *mosq, void *obj, int level, const char *str)

client/pub_shared.h

@@ -23,7 +23,6 @@ Contributors:
 #define STATUS_DISCONNECTED 4
 
 extern int mid_sent;
-extern int status;
 extern struct mosq_config cfg;