update configure.in for portmidi sources. Like portaudio, we need to use its...

update configure.in for portmidi sources. Like portaudio, we need to use its build system in the future

pd/src/configure.in

@@ -333,11 +333,13 @@ then
         ../portaudio/src/hostapi/coreaudio/pa_mac_core.c  \
         ../portaudio/src/hostapi/coreaudio/pa_mac_core_blocking.c  \
         ../portaudio/src/hostapi/coreaudio/pa_mac_core_utilities.c  \
-        ../portmidi/pm_mac/pmmac.c \
-        ../portmidi/pm_mac/pmmacosxcm.c \
-        ../portmidi/pm_common/pmutil.c \
-        ../portmidi/pm_common/portmidi.c \
-        ../portmidi/porttime/ptmacosx_cf.c "
+        ../portmidi/pm_mac/pmmac.c         \
+        ../portmidi/pm_mac/pmmacosxcm.c    \
+        ../portmidi/pm_mac/finddefault.c    \
+        ../portmidi/pm_mac/readbinaryplist.c    \
+        ../portmidi/pm_common/pmutil.c     \
+        ../portmidi/pm_common/portmidi.c   \
+        ../portmidi/porttime/ptmacosx_cf.c"
     STRIPFLAG=""
     GUINAME="libPdTcl.dylib"