DEB transcode: fixed availability of libomp-dev package.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>

debian/transcode/transcode-1.1.7/debian/changelog

@@ -1,3 +1,10 @@
+transcode (3:1.1.7-10~0ubuntu20.10.0+4) groovy; urgency=medium
+
+  * libomp-dev is only available in few architectures and only needed when
+    building with clang.
+
+ -- Michele Calgaro <michele.calgaro@yahoo.it>  Sun, 25 Jul 2021 19:12:10 +0900
+
 transcode (3:1.1.7-10~0ubuntu20.10.0+3) groovy; urgency=medium
 
   * Fixed FTBFS caused by missing libomp-dev dependency.

debian/transcode/transcode-1.1.7/debian/control

@@ -39,7 +39,7 @@ Build-Depends:
  libxml2-dev,
  libxv-dev,
  libxxf86vm-dev [i386],
- libomp-dev
+ libomp-dev [amd64 arm64 armhf i386 mips64el ppc64el]
 # libx264-dev and libxvidcore-dev are only required if --enable-x264 and
 # --enable-xvid are passed to configure.
 # libx264-dev,