hodec2: fix logging of requirements flags

Fix typo to log the "C" requirements accurately.

Change-Id: I15ce607f354918167ba81192230db63a5948c742
diff --git a/src/osmo-bsc/handover_decision_2.c b/src/osmo-bsc/handover_decision_2.c
index 8caa2e3..4c32c38 100644
--- a/src/osmo-bsc/handover_decision_2.c
+++ b/src/osmo-bsc/handover_decision_2.c
@@ -809,7 +809,7 @@
 	     candidate->requirements & REQUIREMENT_A_TCH##TCHX ? "A" : \
 		(candidate->requirements & REQUIREMENT_TCH##TCHX##_MASK) == 0? "-" : "", \
 	     candidate->requirements & REQUIREMENT_B_TCH##TCHX ? "B" : "", \
-	     candidate->requirements & REQUIREMENT_B_TCH##TCHX ? "C" : "", \
+	     candidate->requirements & REQUIREMENT_C_TCH##TCHX ? "C" : "", \
 	     (candidate->requirements & REQUIREMENT_TCH##TCHX##_MASK) == 0 ? " not a candidate" : \
 	       ((candidate->requirements & REQUIREMENT_TCH##TCHX##_MASK) == REQUIREMENT_A_TCH##TCHX ? \
 	        " more congestion" : \