packaging: disable building natpmp from contrib

The natpmp lib doesn't provide a pkg-config file, so contrib does
not detect that it is already installed on the system.

Change-Id: Iea603b39773f8805183c50f06b61e07a7d791425
Tuleap: #805

packaging/rules/debian/rules

@@ -42,7 +42,8 @@ override_dh_auto_configure:
 				--disable-speex \
 				--disable-sndfile \
 				--disable-gsm \
-				--disable-speexdsp && \
+				--disable-speexdsp \
+				--disable-natpmp && \
 		make list && \
 		make -j1 V=1
 	cd daemon && \

packaging/rules/fedora/ring.spec

@@ -97,7 +97,8 @@ cd %{_builddir}/ring-project/daemon/contrib/native && \
         --disable-speex \
         --disable-sndfile \
         --disable-gsm \
-        --disable-speexdsp && \
+        --disable-speexdsp \
+        --disable-natpmp && \
     make list && \
     make fetch && \
     make -j1 V=1