[glib/wip/autoconf-serial] m4macros: Increment serial number of glib-2.0.m4

[Simon McVittie <smcv src gnome org>]

commit 25f297111ef356a7b0e5de94fdf151ac3a3a1558
Author: Simon McVittie <smcv collabora com>
Date:   Wed Jan 27 11:55:37 2021 +0000

    m4macros: Increment serial number of glib-2.0.m4
    
    aclocal's ability to compare the version of macros and use the latest
    version relies on the serial number being incremented on every change,
    or at least on every functional change.
    
    Fixes: 6f26637e "m4macros: replace obsolete macros AC_TRY_RUN and AC_TRY_LINK in glib-2.0.m4"
    Signed-off-by: Simon McVittie <smcv collabora com>

 m4macros/glib-2.0.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/m4macros/glib-2.0.m4 b/m4macros/glib-2.0.m4
index 5c73f3bcb..5fc357c77 100644
--- a/m4macros/glib-2.0.m4
+++ b/m4macros/glib-2.0.m4
@@ -2,7 +2,7 @@
 # Owen Taylor     1997-2001
 
 # Increment this whenever this file is changed.
-#serial 3
+#serial 4
 
 dnl AM_PATH_GLIB_2_0([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
 dnl Test for GLIB, and define GLIB_CFLAGS and GLIB_LIBS, if gmodule, gobject,