	Per Marc Baudoin, tlbuild 17 Mar 2017 10:03:03.

Index: digitlst.cpp
===================================================================
--- digitlst.cpp	(revision 43522)
+++ digitlst.cpp	(working copy)
@@ -61,7 +61,7 @@
 #endif
 
 #if U_USE_STRTOD_L
-# if U_PLATFORM_USES_ONLY_WIN32_API || U_PLATFORM == U_PF_CYGWIN
+# if U_PLATFORM_USES_ONLY_WIN32_API || U_PLATFORM == U_PF_CYGWIN || defined(__NetBSD__)
 #   include <locale.h>
 # else
 #   include <xlocale.h>
