[mutter] Fix the build when using a compiler that defaults to --no-add-needed

[Owen Taylor <otaylor src gnome org>]

commit 65766fcaac139898376495bed3cbb37b8aee8787
Author: Richard Hughes <richard hughsie com>
Date:   Thu Feb 4 10:05:23 2010 +0000

    Fix the build when using a compiler that defaults to --no-add-needed
    
    https://bugzilla.gnome.org/show_bug.cgi?id=606388

 configure.in |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 57d69af..91dcccf 100644
--- a/configure.in
+++ b/configure.in
@@ -437,7 +437,7 @@ fi
 
 MUTTER_LIBS="$MUTTER_LIBS $XSYNC_LIBS $RANDR_LIBS $SHAPE_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS -lm"
 MUTTER_MESSAGE_LIBS="$MUTTER_MESSAGE_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
-MUTTER_WINDOW_DEMO_LIBS="$MUTTER_WINDOW_DEMO_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
+MUTTER_WINDOW_DEMO_LIBS="$MUTTER_WINDOW_DEMO_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS -lm"
 MUTTER_PROPS_LIBS="$MUTTER_PROPS_LIBS $X_LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
 
 found_sm=no