Add homebrew path for C++

Author: imbev

10/system_root/usr/bin/heliumos-homebrew-install

@@ -28,7 +28,8 @@ shell(f'bash {script_install_path}')
 with open(script_env_temp_path, 'w') as f:
     f.write('eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)" \n')
     f.write('export PATH=$PATH:$(brew --prefix)/bin/ \n')
-    f.write('export C_INCLUDE_PATH=$CC_INCLUDE_PATH:$(brew --prefix)/include/ \n')
+    f.write('export C_INCLUDE_PATH=$C_INCLUDE_PATH:$(brew --prefix)/include/ \n')
+    f.write('export CPLUS_INCLUDE_PATH=$CPLUS_INCLUDE_PATH:$(brew --prefix)/include/ \n')
     f.write('export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(brew --prefix)/lib/ \n')
 
 shell(f'sudo mv {script_env_temp_path} {script_env_path}')