[vte] build: Fix make dist

[Christian Persch <chpe src gnome org>]

commit a477bdd38db0068d013cff6eefa4f5c8757d3839
Author: Christian Persch <chpe gnome org>
Date:   Mon Aug 17 19:15:12 2015 +0200

    build: Fix make dist

 src/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/Makefile.am b/src/Makefile.am
index db734ef..eba172a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -69,6 +69,7 @@ libvte_ VTE_API_MAJOR_VERSION@_ VTE_API_MINOR_VERSION@_la_SOURCES = \
        vtedraw.cc \
        vtedraw.h \
        vteint.h \
+       vteinternal.hh \
        vtepty-private.h \
        vterowdata.cc \
        vterowdata.h \