doc: add missing include pcm_plugin.h to source files

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/doc/doxygen.cfg.in b/doc/doxygen.cfg.in
index c94f961ef8f4e2317d047e5220b63066ce616aff..753a4cb9b16c0e1fa7b682ecef7ac37f53464907 100644 (file)
--- a/doc/doxygen.cfg.in
+++ b/doc/doxygen.cfg.in
@@ -16,6 +16,7 @@ INPUT            = @top_srcdir@/doc/index.doxygen \
                   @top_srcdir@/include/conf.h \
                   @top_srcdir@/include/control.h \
                   @top_srcdir@/include/pcm.h \
+                  @top_srcdir@/include/pcm_plugin.h \
                   @top_srcdir@/include/rawmidi.h \
                   @top_srcdir@/include/ump.h \
                   @top_srcdir@/include/ump_msg.h \