Update RPM spec (use git version when it is possible)

linphone.spec.in

@@ -11,7 +11,7 @@
 
 Name:           linphone
 Version:        @VERSION@
-Release:        %(git describe --tags | sed 's/.*-\([0-9]*\)-g.*/\1/' || echo '1')%{?dist}
+Release:        %(git describe --tags --abbrev=40 | sed -rn 's/^.*-([0-9]+)-g[a-z0-9]{40}$/\1/p' || echo '1')%{?dist}
 Summary:        Phone anywhere in the whole world by using the Internet
 
 Group:          Applications/Communications

mediastreamer2 @ 9d722a14

-Subproject commit 513945c9781dbb9ae6905bb7fa80db2665f64d01
+Subproject commit 9d722a1456c8574b385fac0eadf4ad6a4067637b

oRTP @ 99cbcd90

-Subproject commit 3fb614e2ed15803f2c96c223cceb5545a60f2431
+Subproject commit 99cbcd905d357fd3a297f8d0e2aa4698c11c805a