debian/patches: Add security patches: CVE-2018-8786.patch, CVE-2018-8787.patch, CVE-2018-8788.patch and CVE-2018-8789.patch. Thanks to Alex Murray for backporting them to FreeRDP 1.1.

debian/{control,rules}: Drop manually maintained dbg:packages. Create dbgsym:packages automatically.

This adds a fix for:

* CVE-2017-2834
* CVE-2017-2835
* CVE-2017-2836
* CVE-2017-2837
* CVE-2017-2838
* CVE-2017-2839

Closes: #869880

debian/patches: Add 1013_aligned_meminfo_alignment.patch. Fix FTBFS in testsuite on SPARC64 architecture. (Closes: #764432).

debian/control: Drop Otavio Salvador from Uploaders: field. Thanks for your previous contributions. (Closes: 847251).

debian/control: Temporary fix for FTBFS against libssl1.1-dev: use libssl1.0-dev for now. (Closes:  #828142).

debian/rules: Regression fix for usage of DEB_HOST_ARCH vs. DEB_BUILD_ARCH. Switching back to DEB_HOST_ARCH to not break cross-builds. Thanks to Guillem Jover for teaching me about the difference between those two options. (Closes: #822842).

debian/{control,rules}: Build with -DCHANNEL_URBDRC_CLIENT=on only on Linux OSes. (Closes: #815614).

debian/rules: Fix missing backslash in list of configure arguments. (Closes: #815317). Thanks to Emilio Pozuelo Monfort for spotting this.

debian/patches: Add 0007_Fix-build-failure-on-x32.patch. Fix FTBFS on x32 architecture. Thanks to Adam Borowski for providing this patch. (Closes: #808503).

debian/patches: Add 0006_fix-null-cert-that-is-not-an-error.patch. Fix null certificate that is not an error. Thanks to Nathan Schulte for referencing the upstream commit. (Closes: #803891).

debian/patches: Add 0005_release-keys-when-xfreerdp-is-unfocused-to-prevent-s.patch. Prevent Alt key from getting "stuck" with -grab-keyboard option when using Alt-Tab to switch between local X windows. Thanks to Petr Vorel <petr.vorel@gmail.com> for providing the patch. (Closes: #778650).

debian/{control,rules}: Drop B-D: libgstreamer-plugins-base0.10-dev. This requires disabling gstreamer support and is a wanted and temporary regression. With upcoming freerdp2 upload to Debian, gstreamer1.0 support will be (re-)introduced. (Closes: #785898).