[eog-plugins] Reset $IFS before erroring in configure

[Felix Riemann <friemann src gnome org>]

commit e8988c293af605d9f37d113fab3b89d797a2ea80
Author: Felix Riemann <friemann gnome org>
Date:   Tue Jul 21 22:45:57 2009 +0200

    Reset $IFS before erroring in configure
    
    AC_MSG_* seems to dislike a changed IFS setting. For example requesting
    an unknown plugin could totally break configure and print lots of errors.

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 0864229..11c70b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -110,6 +110,7 @@ do
 	then
 		PLUGINS="$PLUGINS $ALL_PLUGINS"
 	else
+		IFS=$eogpl_save_ifs
 		AC_MSG_ERROR([the specified plugin $pl does not exist])
 	fi