Include -L/usr/lib32 into LDFLAGS on IRIX
(http://sourceforge.net/mailarchive/message.php?msg_name=486A0011.5090503%40tightvnc.com, does anyone have better idea?)


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/branches/1.5-xserver@2624 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/unix/configure.ac b/unix/configure.ac
index e55af49..63e158f 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -26,7 +26,7 @@
   USE_MITSHM=yes
   ;;
 "IRIX 6"*)
-  X_LIBS="-L/usr/lib32"
+  LDFLAGS="-L/usr/lib32 $LDFLAGS"
   USE_MITSHM=yes
   USE_READDISPLAY=yes
   ;;