Fix de-selecting of drivers in configure by removing non-portable switch to sed.

Silent some compiler and lint warnings.

server/drivers/hd44780.c

@@ -506,7 +506,7 @@ common_init(PrivateData *p, unsigned char if_bit)
  * \param p  Pointer to PrivateData structure.
  * \param usecs  Number of micro-seconds to sleep.
  */
-void
+static void
 uPause(PrivateData *p, int usecs)
 {
 	timing_uPause(usecs * p->delayMult);
@@ -1393,7 +1393,7 @@ HD44780_output(Driver *drvthis, int on)
  * \param spanlist	 '\0'-terminated input span list in comma delimited format.
  * \return  Number of span elements, -1 on parse error.
  */
-int
+static int
 parse_span_list(int *spanListArray[], int *spLsize, int *dispOffsets[], int *dOffsize, int *dispSizeArray[], const char *spanlist)
 {
 	int j = 0, retVal = 0;

server/drivers/imon.c

@@ -117,6 +117,7 @@ typedef struct imon_private_data {
 MODULE_EXPORT int imon_init (Driver *drvthis)
 {
 	PrivateData *p = NULL;
+	char buf[256];
 
 	// Alocate, initialize and store private p
 	p = (PrivateData *) calloc(1, sizeof(PrivateData));
@@ -130,7 +131,6 @@ MODULE_EXPORT int imon_init (Driver *drvthis)
 		return -1;
 	}
 
-	char buf[256];
 	p->imon_fd = -1;
 	p->width = 0;
 	p->height = 0;

server/drivers/serialVFD_io.c

@@ -50,23 +50,24 @@
 void
 serialVFD_write_serial (Driver *drvthis, unsigned char *dat, size_t length)
 {
+	PrivateData *p = drvthis->private_data;
+
 	if (length <= 0)
 		return;
 
-	PrivateData *p = drvthis->private_data;
 	write(p->fd,dat,length);
 }
 
 void
 serialVFD_write_parallel (Driver *drvthis, unsigned char *dat, size_t length)
 {
-	if (length <= 0)
-		return;
-
 #ifdef HAVE_PCSTYLE_LPT_CONTROL
 	PrivateData *p = drvthis->private_data;
 	int i_para, j_para;
 
+	if (length <= 0)
+		return;
+
 	for (i_para = 0; i_para < length; i_para++) {
 		port_out(p->port, dat[i_para]);