Use value string check from osmo-ci

Necessary since libosmocore I513835be2d931d0a931cdfc996f361a451bc1a15
removes the script from libosmocore/contrib.

Change-Id: I02d7e1c0151c687fd9341d21a09ca15cbf5a1938
diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index 5903429..b4074e4 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -12,7 +12,7 @@
 
 osmo-build-dep.sh libosmocore "" ac_cv_path_DOXYGEN=false
 
-"$deps"/libosmocore/contrib/verify_value_string_arrays_are_terminated.py $(find . -name "*.[hc]")
+verify_value_string_arrays_are_terminated.py $(find . -name "*.[hc]")
 
 export PKG_CONFIG_PATH="$inst/lib/pkgconfig:$PKG_CONFIG_PATH"
 export LD_LIBRARY_PATH="$inst/lib"