Remove infinite loop in token_print_indent_concat().

RELNOTES

@@ -51,6 +51,8 @@ work on other platforms. Please report any problems and suggested fixes to
 
 			Changes since 4.1.0 (bug fixes)
 
+- Remove infinite loop in token_print_indent_concat().
+
 - Validate the argument to the -p option.
 
 - The notorious 'option <unknown> ... larger than buffer' log line,

common/print.c

@@ -1108,6 +1108,7 @@ int token_print_indent_concat (FILE *file, int col,  int indent,
 		len = strlen (s);
 		strcpy (u, s);
 		u += len;
+		s = va_arg (list, char *);
 	}
 	va_end (list);