GLUI: add FFTW_CFLAGS to build recent files including smfft.hh

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

Author: swesterfeld

glui/Makefile.am

@@ -62,7 +62,7 @@ libspectmorphglui_la_LIBADD = $(SPECTMORPH_LIBS) $(PUGL_LIBS) $(FREETYPE_LIBS) $
 libspectmorphglui_la_LDFLAGS = -no-undefined $(PUGL_LDFLAGS)
 libspectmorphglui_la_LIBTOOLFLAGS = --tag CXX
 
-AM_CXXFLAGS += $(GLIB_CFLAGS) $(SNDFILE_CFLAGS) $(FREETYPE_CFLAGS) $(CAIRO_CFLAGS) -I$(top_srcdir)/lib -I$(top_srcdir)/src -I$(top_srcdir)/glui -DPUGL_HAVE_GL -DPUGL_HAVE_CAIRO -I$(top_srcdir)/vst
+AM_CXXFLAGS += $(GLIB_CFLAGS) $(FFTW_CFLAGS) $(SNDFILE_CFLAGS) $(FREETYPE_CFLAGS) $(CAIRO_CFLAGS) -I$(top_srcdir)/lib -I$(top_srcdir)/src -I$(top_srcdir)/glui -DPUGL_HAVE_GL -DPUGL_HAVE_CAIRO -I$(top_srcdir)/vst
 
 smuitest_SOURCES = smuitest.cc
 smuitest_LDADD = libspectmorphglui.la $(SPECTMORPH_LIBS) $(GLIB_LIBS) $(CAIRO_LIBS) $(PUGL_LIBS)