gaugePlugins.dotnet: add missing dependency on libgcc

Author: NyCodeGHG

pkgs/development/tools/gauge/plugins/dotnet/default.nix

@@ -1,6 +1,7 @@
 { lib
 , makeGaugePlugin
 , gauge-unwrapped
+, stdenv
 }:
 
 makeGaugePlugin {
@@ -11,6 +12,8 @@ makeGaugePlugin {
   releasePrefix = "gauge-dotnet-";
   isCrossArch = true;
 
+  buildInputs = [ stdenv.cc.cc.lib ];
+
   meta = {
     description = "Gauge plugin that lets you write tests in C#";
     homepage = "https://github.com/getgauge/gauge-dotnet/";