contrib: jenkins.sh: Disable doxygen in libosmocore build

Change-Id: I52fc3931ef072075561858bb7173f58a8503e499
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index ff83984..45e540e 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -19,7 +19,7 @@
 
 verify_value_string_arrays_are_terminated.py $(find . -name "*.[hc]")
 
-osmo-build-dep.sh libosmocore
+osmo-build-dep.sh libosmocore "" --disable-doxygen
 
 export PKG_CONFIG_PATH="$inst/lib/pkgconfig:$PKG_CONFIG_PATH"
 export LD_LIBRARY_PATH="$inst/lib"