Update to 9.3.3

- Open PTT serial port O_NONBLOCK so /dev/tty* can be used.
- If a video device has no formats, do not add to camera list.
- Add /index.html to local docURL so help will open in browser.

From the changelog:
20190418 QSSTV 9.3.3
        * fixed api documentation generation

20190418 QSSTV 9.3.2
        * complete rewrite of the FTP interfaces. They now run in a seperate
          thread
        * removed Hybrid notify config. All hybrid configurations are in one
          tab: Hybrid
        * size of recorded wav files was internally set to 0, fixed.
        * tx audio to wav file was output in mono with half the samples
          -> fixed
        * scaling of images in sstv tx mode -> fixed
        * show image with template when loading new image ->fixed
        * callsign was not set/send in DRM tx
        * new FFT implementation
        * compression in DRM now based on size in stead of ratio
        * fix error in reedsolomon decode when no erasures found
        * repeater functions implemented
        * fixed bug in AVT24-AVT90-AVT94
        * removed use VIS option in SSTV (now when a VIS code is detected,
          the mode is restricted to that VIS mode)
        * added confirmation options for delete files and program exit in
          gui configuration
        * more testing on raspberry Pi 3 model B. (compilation and
          execution OK)
        * added PKTLSB, PKTUSB and PKTFM in frequency config modulation
        * added passband to frequency settings
        * minor bug fixes

1 files changed, 2 insertions, 2 deletions

diff --git a/comms/qsstv/files/patch-qsstv_drmrx_demodulator.cpp b/comms/qsstv/files/patch-qsstv_drmrx_demodulator.cpp
index 26516f0ba6bd..f2a98e45fca0 100644
--- a/comms/qsstv/files/patch-qsstv_drmrx_demodulator.cpp
+++ b/comms/qsstv/files/patch-qsstv_drmrx_demodulator.cpp
@@ -1,6 +1,6 @@
---- qsstv/drmrx/demodulator.cpp.orig	2016-08-23 19:39:12 UTC
+--- qsstv/drmrx/demodulator.cpp.orig	2019-02-26 18:17:40 UTC
 +++ qsstv/drmrx/demodulator.cpp
-@@ -946,7 +946,7 @@ bool demodulator::channelEstimation()
+@@ -947,7 +947,7 @@ bool demodulator::channelEstimation()
            temp2 += actual_pilots[2 * j] * next_pilots[2 * j + 1] -actual_pilots[2 * j + 1] * next_pilots[2 * j];
  
          }