Defining top_builddir.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@113 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/boilerplate.mk b/boilerplate.mk
index 979731c..82ac68b 100644
--- a/boilerplate.mk
+++ b/boilerplate.mk
@@ -10,6 +10,7 @@
 
 SHELL = @SHELL@
 top_srcdir = @top_srcdir@
+top_builddir = @top_builddir@
 @SET_MAKE@
 CC = @CC@
 CFLAGS = @CFLAGS@ $(DIR_CFLAGS)