passfd: fix test regression on Linux

[gnulib.git] / modules / iswblank

diff --git a/modules/iswblank b/modules/iswblank
index 2a4a817..972107e 100644 (file)
--- a/modules/iswblank
+++ b/modules/iswblank
@@ -7,6 +7,7 @@ m4/iswblank.m4
 
 Depends-on:
 wctype-h
+extensions
 
 configure.ac:
 gl_FUNC_ISWBLANK