Add file version serial number that might be used by 'aclocal' and others.

Keep the '#' character as the first one on the line.

diff --git a/m4/reentrant.m4 b/m4/reentrant.m4
index 29cc809..0348fda 100644 (file)
--- a/m4/reentrant.m4
+++ b/m4/reentrant.m4
@@ -1,5 +1,8 @@
 
 
+# serial 1.10
+
+
 dnl CARES_CHECK_NEED_REENTRANT_GMTIME_R
 dnl -------------------------------------------------
 dnl Checks if the preprocessor _REENTRANT definition