[glib] Use the new option name

[Christian Persch <chpe src gnome org>]

commit 63d74caabe6f7b85ad13cad922fff239911fb5a0
Author: Christian Persch <chpe gnome org>
Date:   Sat May 15 11:56:21 2010 +0200

    Use the new option name
    
    It's --schema-file now, not --schema-files.
    Bug #616864.

 m4macros/gsettings.m4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/m4macros/gsettings.m4 b/m4macros/gsettings.m4
index 12760ee..aeb6470 100644
--- a/m4macros/gsettings.m4
+++ b/m4macros/gsettings.m4
@@ -28,7 +28,7 @@ AC_DEFUN([GLIB_GSETTINGS],
 check-gsettings-schema: gsettings_schema_validate_stamp
 MOSTLYCLEANFILES += gsettings_schema_validate_stamp
 gsettings_schema_validate_stamp: *.gschema.xml
-	$(GLIB_COMPILE_SCHEMAS) --dry-run $(addprefix --schema-files=,$?)
+	$(GLIB_COMPILE_SCHEMAS) --dry-run $(addprefix --schema-file=,$?)
 	touch [$]@
 
 all: check-gsettings-schema