[debug] Introduce DREF debug category for reference counting
diff --git a/openbsc/src/debug.c b/openbsc/src/debug.c
index 6d4d1b2..1624e96 100644
--- a/openbsc/src/debug.c
+++ b/openbsc/src/debug.c
@@ -52,6 +52,7 @@
     [DMGCP]	= { .enabled = 1, .loglevel = 0},
     [DHO]	= { .enabled = 1, .loglevel = 0},
     [DDB]	= { .enabled = 1, .loglevel = 0},
+    [DREF]	= { .enabled = 0, .loglevel = 0},
 };
 
 struct debug_info {
@@ -95,6 +96,7 @@
 	DEBUG_CATEGORY(DMGCP, "DMGCP", "", "")
 	DEBUG_CATEGORY(DHO, "DHO", "", "")
 	DEBUG_CATEGORY(DDB, "DDB", "", "")
+	DEBUG_CATEGORY(DDB, "DREF", "", "")
 };
 
 /*