Patch for avrdude to make rfcomm devices work again

rfcomm_wont_upload.patch

Index: ser_posix.c
===================================================================
--- ser_posix.c	(revision 1255)
+++ ser_posix.c	(working copy)
@@ -315,6 +315,7 @@
 static int ser_send(union filedescriptor *fd, unsigned char * buf, size_t buflen)
 {
   int rc;
+  int retries = 10;
   unsigned char * p = buf;
   size_t len = buflen;
 
@@ -344,6 +345,10 @@
 
   while (len) {
     rc = write(fd->ifd, p, (len > 1024) ? 1024 : len);
+    if (rc < 0 && errno == ENOTCONN && retries--) {
+      sleep(1);
+      continue;
+    }
     if (rc < 0) {
       fprintf(stderr, "%s: ser_send(): write error: %s\n",
               progname, strerror(errno));