disable upnp, it relies on pthread_rwlocks

they are only available starting from 2.3 so drop upnp for now for compatibility

compile.sh

@@ -50,6 +50,7 @@ mkdir contrib/android; cd contrib/android
     --disable-caca \
     --disable-gettext \
     --disable-mpcdec \
+    --disable-upnp \
     --disable-sidplay2
 
 make fetch

vlc-android/jni/Android.mk

@@ -29,7 +29,7 @@ LOCAL_LDLIBS := -L$(VLC_CONTRIB)/lib \
 	-ldl -lz -lm -logg -lvorbisenc -lvorbis -lFLAC -lspeex -lspeexdsp -ltheora \
 	-lavformat -lavcodec -lswscale -lavutil -lpostproc \
 	-lmpeg2 -lpng -ldvbpsi -llog -la52 -lebml -lmatroska -ltag \
-	-lgsm -lopenjpeg -lgme -lupnp -lixml -lthreadutil -lxml2 -lsamplerate \
+	-lgsm -lopenjpeg -lgme -lxml2 -lsamplerate \
 	-lliveMedia -lUsageEnvironment -lBasicUsageEnvironment -lgroupsock \
 	$(CPP_STATIC)