Adds -m to the help string

Author: tobbelobb

linc/linc.testscript

@@ -10,7 +10,7 @@
 : The $0 will expand to the executable name
 $* &linc.log >>"EOE"
 Usage:
-$0 <3d-model> <params> [-l layer-height-in-mm] [-o out-file-name] [-h|--help]
+$0 <3d-model> <params> [-l layer-height-in-mm] [-m margin] [-o out-file-name] [-h|--help]
 
 -l          Defaults to 1.0. The analysis will search for collisions at z-heights
             this far apart.

linc/main.c++

@@ -20,6 +20,7 @@ auto main(int argc, char *argv[]) -> int {
   usage << "Usage:\n"
         << *argv
         << " <3d-model> <params> [-l layer-height-in-mm] "
+           "[-m margin] "
            "[-o out-file-name] [-h|--help]\n";
   CommandLine args(usage.str());
   args.addArgument({"-l"}, &layerHeight,