Fix PulseAudio build option display

The macro was only define in the xpdev GNUmakefile, not in Common,
so bbslist.c did not know if it was enabled or not, and always
showed it as disabled.

src/xpdev/Common.gmake

@@ -218,3 +218,14 @@ ifeq ($(shell if [ -f /usr/include/alsa/asoundlib.h ] ; then echo YES ; fi),YES)
  XPDEV-MT_LIBS += -ldl
  XPDEV_LIBS += -ldl
 endif
+
+ifndef NO_PULSEAUDIO
+ ifeq ($(shell command -v pkg-config > /dev/null && pkg-config --exists libpulse-simple && echo 'YES'),YES)
+  XPDEV-CFLAGS += -DWITH_PULSEAUDIO `pkg-config libpulse-simple --cflags`
+  XPDEV-MT_CFLAGS += -DWITH_PULSEAUDIO `pkg-config libpulse-simple --cflags`
+  ifeq ($(os),linux)
+   XPDEV-MT_LIBS += -ldl
+   XPDEV_LIBS += -ldl
+  endif
+ endif
+endif

src/xpdev/GNUmakefile

@@ -8,13 +8,6 @@ ifndef win
  MTOBJS	+=	$(MTOBJODIR)$(DIRSEP)xpevent$(OFILE)
 endif
 
-ifndef NO_PULSEAUDIO
- ifeq ($(shell command -v pkg-config > /dev/null && pkg-config --exists libpulse-simple && echo 'YES'),YES)
-  CFLAGS += -DWITH_PULSEAUDIO `pkg-config libpulse-simple --cflags`
-  MT_CFLAGS += -DWITH_PULSEAUDIO `pkg-config libpulse-simple --cflags`
- endif
-endif
-
 CFLAGS +=  -I. $(XPDEV_CFLAGS)
 ifndef WITHOUT_ALSA_SOUND
 	ifeq ($(shell if [ -f /usr/include/alsa/asoundlib.h ] ; then echo YES ; fi),YES)