[x265] x265 with Dynamic HDR10 support: Missing line break in full help

[Mario Rohkrämer]

https://github.com/jb-alvarado/media-autobuild_suite can build x265 with  
DHDR10 support using GCC 6.3.0 by patching "-std=gnu++11" into  
source/CMakeLists.txt (using sed, not the cmake-hdr10.patch by Ma0 from  
April 20).

I noticed a missing line break here in the full help output, in front of  
"-f":

    --[no-]dhdr10-opt             Insert tone mapping SEI only for IDR  
frames and when the tone mapping information changes. Default  
disabled-f/--frames <integer>            Maximum number of frames to  
encode. Default all
                                                                                                                                             ^

-- 

Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de