Fixed handling of '-' for stdin

src/cmd.cpp

@@ -226,6 +226,8 @@ cmd_args process_cmd_args(int argc, char** argv){
 		}
 		if(!strcmp(argv[i], "--")){
 			escaped = true;
+		}else if(!strcmp(argv[i], "-")){
+			ret.filenames.push_back(argv[i]);
 		}else if(IS_SHORT_OPTION(argv[i])){
 			size_t arg_len = strlen(argv[i]);
 			int next_arg = i+1;

src/roflcat.cpp

@@ -126,6 +126,7 @@ int print_files(cmd_args& args){
 				if(in == L'\n') //Only reset on newline to save print overhead
 					p.reset();
 			}
+			clearerr(stdin);
 		}else{ //everything besides stdin
 			FILE* fp = fopen(args.filenames[i], "r");
 			if(!fp){