Remove unreachable return statement

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40723 15284696-431f-4ddb-bdfa-cd5b030d7da7

general/g.parser/main.c

@@ -459,6 +459,4 @@ int main(int argc, char *argv[])
     return standard_output
 	? print_options(&ctx)
 	: reinvoke_script(&ctx, filename);
-
-    return 0;
 }