extra m4 quotes [] to make regular expression work

diff --git a/m4/linux.m4 b/m4/linux.m4
index 2eafbdc9af87c89bb89b078d2685f10bc0b0a48a..e7958bb4ac49193f3bfcee369ef391d4f2de5b34 100644 (file)
--- a/m4/linux.m4
+++ b/m4/linux.m4
@@ -64,7 +64,7 @@ AC_DEFUN(DS_LINUX,
     2.6)
       DS_LINUX_2_6()
       ;;
-    2.[01234])
+    2.[[01234]])
       DS_LINUX_2_4()
       ;;
     *)