add missing preview.h

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@4259 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/mathed/Makefile.am b/src/mathed/Makefile.am
index c3c749d4e757425df2978d79e6d6fa1faa9c0189..15659663aa205ec0197792fe53a36d0d81e6e567 100644 (file)
--- a/src/mathed/Makefile.am
+++ b/src/mathed/Makefile.am
@@ -5,6 +5,7 @@ noinst_LTLIBRARIES = libmathed.la
 INCLUDES = -I$(srcdir)/../ $(SIGC_CFLAGS) $(BOOST_INCLUDES)
 
 libmathed_la_SOURCES = \
+       preview.h \
        preview.C \
        textpainter.C \
        textpainter.h \