lineage: Track external/json-c

Change-Id: I7985c177c0d9eef7f2d93525aeacd5f0f594b8ce
diff --git a/snippets/lineage.xml b/snippets/lineage.xml
index 60e2b2f..97d39b0 100644
--- a/snippets/lineage.xml
+++ b/snippets/lineage.xml
@@ -59,7 +59,7 @@
   <!--<project path="external/ant-wireless/antradio-library" name="LineageOS/android_external_ant-wireless_antradio-library" />-->
   <!--<project path="external/ant-wireless/hidl" name="LineageOS/android_external_ant-wireless_hidl" />-->
   <!--<project path="external/connectivity" name="LineageOS/android_external_connectivity" groups="qcom,pdk-qcom" />-->
-  <!--<project path="external/json-c" name="LineageOS/android_external_json-c" groups="qcom,pdk-qcom" />-->
+  <project path="external/json-c" name="LineageOS/android_external_json-c" groups="qcom,pdk-qcom" />
   <!--<project path="hardware/qcom-caf/apq8084/audio" name="LineageOS/android_hardware_qcom_audio" groups="qcom,qcom_audio,pdk-qcom" revision="lineage-19.0-caf-apq8084" />-->
   <!--<project path="hardware/qcom-caf/apq8084/display" name="LineageOS/android_hardware_qcom_display" groups="pdk-qcom,qcom,qcom_display" revision="lineage-19.0-caf-apq8084" />-->
   <!--<project path="hardware/qcom-caf/apq8084/media" name="LineageOS/android_hardware_qcom_media" groups="qcom,pdk-qcom" revision="lineage-19.0-caf-apq8084" />-->