Fix function highlight issue
Fix function highlight issue

#14
Yushiao/vscode-systemverilog-support,Yushiao/vscode-systemverilog-support,bjaminn/vscode-systemverilog-support,bjaminn/vscode-systemverilog-support,mshr-h/vscode-systemverilog-support,mshr-h/vscode-systemverilog-support