make-srpm.sh: add explicit BR for the gcc-c++ compiler

kdudka · kdudka · commit ba22dde72c10 · 2018-02-19T18:23:35.000+01:00
... as instructed at: https://fedoraproject.org/wiki/Packaging:C_and_C%2B%2B
diff --git a/make-srpm.sh b/make-srpm.sh
@@ -86,6 +86,7 @@ Source0:    https://github.com/kdudka/csdiff/releases/download/%{name}-%{version
 
 BuildRequires: boost-devel
 BuildRequires: cmake
+BuildRequires: gcc-c++
 BuildRequires: help2man
 
 %description
