Don't create the Include directory if building outside of the source
directory.  Closes SF #403930.
diff --git a/configure.in b/configure.in
index fb29813..ce4f1b0 100644
--- a/configure.in
+++ b/configure.in
@@ -1295,7 +1295,7 @@
 #fi
 
 AC_SUBST(SRCDIRS)
-SRCDIRS="Include Parser Grammar Objects Python Modules"
+SRCDIRS="Parser Grammar Objects Python Modules"
 AC_MSG_CHECKING(for build directories)
 for dir in $SRCDIRS; do
     if test ! -d $dir; then