Add necessary <limits> include when CSV_IO_NO_THREAD is defined.

5061726b6572 · 5061726b6572 · commit 4426871bb2fc · 2021-11-03T10:09:47.000-07:00
diff --git a/csv.h b/csv.h
@@ -48,6 +48,7 @@
 #include <cassert>
 #include <cerrno>
 #include <istream>
+#include <limits>
 
 namespace io{
         ////////////////////////////////////////////////////////////////////////////
